paragraph_text: An exception is the United States, where patents filed prior to 8 June 1995 expire 17 years after the publication date of the patent, but application extensions make it possible for a patent to issue much later than normally expected (see submarine patents). The various MP3-related patents expire on dates ranging from 2007 to 2017 in the U.S. Patents filed for anything disclosed in ISO CD 11172 a year or more after its publication are questionable. If only the known MP3 patents filed by December 1992 are considered, then MP3 decoding has been patent-free in the US since 22 September 2015 when U.S. Patent 5,812,672 expired which had a PCT filing in October 1992. If the longest-running patent mentioned in the aforementioned references is taken as a measure, then the MP3 technology will be patent-free in the United States on 30 December 2017 when U.S. Patent 5,703,999, held by the Fraunhofer-Gesellschaft and administered by Technicolor, expires.

paragraph_text: Xu Guangda () (November 19, 1908 – June 3, 1969) was a People's Liberation Army general who was conferred the "Da Jiang" (Grand General) rank in 1955. His former name was Xu Dehua.

paragraph_text: Soledad Román de Núñez (1835-1924) was the first lady of Colombia in 1880-82, 1884–88 and 1892, by her marriage to president Rafael Núñez. She is considered to have wielded a considerable influence in policy and participated in state affairs in Colombia during the presidencies of her spouse more than any other woman in Colombia before her. She is credited with the victory of the government in the conflict of 1885, as well as the concordat of 1887. She was a controversial figure, because her marriage was not recognized by the Catholic church, as the wedding had been civil, as her spouse's first wife was still alive and he was still married to her in the eyes of the Catholic church.

paragraph_text: Gem Air is a commuter airline based in Salmon, Idaho, United States. It is owned by the former owners of Salmon Air. They sold the Salmon Air name to McCall Aviation, but kept their operating certificate. When their non-compete clause with McCall Aviation expired, they began full operations again, under the same certificate, but with the new Gem Air name.

paragraph_text: Density-based spatial clustering of applications with noise (DBSCAN) is a data clustering algorithm proposed by Martin Ester, Hans-Peter Kriegel, Jörg Sander and Xiaowei Xu in 1996.

paragraph_text: The Great Hypnotist is a 2014 Chinese mystery-thriller film directed by Leste Chen and starring Xu Zheng and Karen Mok. The film was released on April 29, 2014.

paragraph_text: Xu Lili (; born February 18, 1988) is a Chinese judoka from Binzhou, Shandong who made it to the finals in the 2012 Summer Olympics in the category Women's 63 kg, winning a silver medal. She is the younger sister of Xu Yuhua, also a judoka.

paragraph_text: Ying Xu () is a computational biologist and bioinformatician, and a chair professor under the title 'Regents-Georgia Research Alliance Eminent Scholar' in the Department of Biochemistry and Molecular Biology and the Institute of Bioinformatics at the University of Georgia, USA.

paragraph_text: It is commonly believed that the first examples of wedding rings were found in ancient Egypt. Relics dating to 6,000 years ago, including papyrus scrolls, are evidence of the exchange of braided rings of hemp or reeds between spouses. Ancient Egypt considered the circle to be a symbol of eternity, and the ring served to signify the perpetual love of the spouses. This was also the origin of the custom of wearing the wedding ring on the ring finger of the left hand, because the ancient Egyptians believed that this finger enclosed a special vein that was connected directly to the heart, denominated in Latin the ``Vena amoris ''.

paragraph_text: Qian Yuanguan (錢元瓘) (November 30, 887 – September 17, 941), born Qian Chuanguan (錢傳瓘), formally King Wenmu of Wuyue (吳越文穆王), courtesy name Mingbao (明寶), was the second king of the state of Wuyue, during the Five Dynasties and Ten Kingdoms period of China. During his reign, his kingdom was centred on modern Zhejiang. He ascended to the throne in 932, when his father Qian Liu (King Wusu) left the state in his hands, to 941. He was the father to all three of Wuyue's subsequent kings.

paragraph_text: Lady Sun was the only daughter of Sun Jian and Lady Wu. She had four brothers who were also born to Lady Wu – Sun Ce, Sun Quan, Sun Yi and Sun Kuang. Her personal name was not recorded in history.

paragraph_text: The gold medal was won by Alla Tsuper, Belarus, the silver medal by Xu Mengtao, China and the bronze medal was won by Lydia Lassila, Australia.

paragraph_text: Sisvel S.p.A. and its U.S. subsidiary Audio MPEG, Inc. previously sued Thomson for patent infringement on MP3 technology, but those disputes were resolved in November 2005 with Sisvel granting Thomson a license to their patents. Motorola followed soon after, and signed with Sisvel to license MP3-related patents in December 2005. Except for three patents, the US patents administered by Sisvel had all expired in 2015, however (the exceptions are: U.S. Patent 5,878,080, expires February 2017, U.S. Patent 5,850,456, expires February 2017 and U.S. Patent 5,960,037, expires 9. April 2017.

paragraph_text: Xu Xinyue (; 902?-August 1, 946), formally the Lady Renhui of Wuyue (吳越國仁惠夫人), was a concubine, possibly later a wife, of Qian Yuanguan (King Wenmu) (né Qian Chuanguan, name changed to Qian Yuanguan upon his succession to the throne), the second king of the Chinese state Wuyue of the Five Dynasties and Ten Kingdoms period, and the mother to his son and successor Qian Hongzuo (King Wenxian).

paragraph_text: In 2007, the United States Mint began releasing a set of half-ounce $10 gold coins under the First Spouse Program with engravings of portraits of the First Ladies on the obverse. When a President served without a spouse, a gold coin was issued that bears an obverse image emblematic of Liberty as depicted on a circulating coin of that era and a reverse image emblematic of themes of that President's life. This is true for the coins for Thomas Jefferson, Andrew Jackson, Martin Van Buren, and James Buchanan's First Ladies, but not the coin for Chester A. Arthur's First Lady, which instead depicts suffragette Alice Paul.

paragraph_text: The initial near-complete MPEG-1 standard (parts 1, 2 and 3) was publicly available on 6 December 1991 as ISO CD 11172. In most countries, patents cannot be filed after prior art has been made public, and patents expire 20 years after the initial filing date, which can be up to 12 months later for filings in other countries. As a result, patents required to implement MP3 expired in most countries by December 2012, 21 years after the publication of ISO CD 11172.

paragraph_text: The basic MP3 decoding and encoding technology is patent-free in the European Union, all patents having expired there. In the United States, the technology will be substantially patent-free on 31 December 2017 (see below). The majority of MP3 patents expired in the US between 2007 and 2015.

paragraph_text: Universal's multi-year film financing deal with Elliott Management expired in 2013. In July 2013, Universal made an agreement with Legendary Pictures to market, co-finance, and distribute Legendary's films for five years starting in 2014, the year that Legendary's similar agreement with Warner Bros. expires.

paragraph_text: Treaties sometimes include provisions for self-termination, meaning that the treaty is automatically terminated if certain defined conditions are met. Some treaties are intended by the parties to be only temporarily binding and are set to expire on a given date. Other treaties may self-terminate if the treaty is meant to exist only under certain conditions.[citation needed]

paragraph_text: Joung Da-woon (born April 23, 1989, Seoul) is a South Korean judoka. At the 2012 Summer Olympics she competed in the Women's 63 kg, but was defeated in the semifinals. She beat Ramila Yusubova and Yoshie Ueno before losing to Xu Lili. Because Xu reached the final Joung was entered into the repechage, where she lost her bronze medal match to Gévrise Émane.

Question: On what date did Lady Xu Xinyue's spouse die?
Answer: 941