PATENT CLAIM ANALYSIS

Application Number: 16086289
Application Type: Utility
Filing Date: 2018-09
Publication Date: 2019-09
Patent Classification: ["401", "199000"]

Abstract:
A liquid ink instrument, including: a pen body, a writing element mounted on the head of the pen body, an ink absorber mounted at the rear end of the writing element; a fiber ink feeder mounted in the body penetrates the ink absorbing body, the front end in contact with the writing element, the rear end communicated with the ink cartridge; at least one air-liquid balancer in the axial direction, the air-liquid balancer installed between the recited fiber ink feeder and the body; having one or more air-liquid exchange grooves penetrating through the outer circumferential surface; having an overflow groove on a radial surface of the air-liquid balancer, one end contacted to fiber ink feeder, and the other end communicating with air-liquid exchange groove; a gas-free fit or an interference fit adopted between the outer circumferential surface of the fiber ink feeder and the inner wall of the air-liquid balancer.

Claim (Index 8):
A liquid ink writing instrument according to  claim 1 , wherein when there is a plurality of air-liquid balancers, the volume relationship between two consecutive ink cartridges partitioned by the independent air-liquid balancers is: along the writing element end to the farthest end, the volume of ink cartridge at the far end is greater than or equal to that of ink cartridge at the near end.

Metadata:
- Claim Count in Document: 32.0
- Percentile: 97.0
- Lexical Diversity: 2.46269
- Patent Class: 401.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['10511304', '15023761', '10480941', '12440270', '14405555']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6549588466138098
- 35 USC 102 Novelty (BERT): 0.4709659392478024
- Combined Prediction Score: 0.636559555877209
- Mean Citation Score: 190.108022
- Max Citation Score: 207.49336
- Similarity Product: 155.70444101927757

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test