PATENT CLAIM ANALYSIS

Application Number: 15762660
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["148", "590000"]

Abstract:
A seamless steel tube with high strength and toughness, comprising the following chemical elements by mass: 0.1-0.25% of C, 0.1-0.5% of Si, 0.01-0.1% of Al, 0.6-2% of Mn, the balance of Fe and other unavoidable impurities, wherein C+Mn/6≥0.35. Also provided is a method for preparing a seamless steel tube.

Claim (Index 7):
The method according to  claim 6 , wherein in step (2), the billet is heated to 1100-1250\u00b0 C. and maintained for 1-4 hours.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 90.0
- Lexical Diversity: 1.44186
- Patent Class: 148.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15321189', '12071493', '13438956', '13540016', '12071492']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7979916579783496
- 35 USC 102 Novelty (BERT): 0.5374549125575155
- Combined Prediction Score: 0.7719379834362662
- Mean Citation Score: 251.017638
- Max Citation Score: 292.94983
- Similarity Product: 157.65188011640072

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

Dataset: test