PATENT CLAIM ANALYSIS

Application Number: 15916357
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["137", "527200"]

Abstract:
A spring return check valve that has a body forming a fluid flow path therethrough, a cover that closes an opening in the body and including a cavity therein facing the fluid flow path, a disc that rotates from a first position closing the fluid flow path and a second position fully opening the fluid flow path and a spring connected between the cover and the disc and including extensions integrally extending from each end of the spring to cause the spring to buckle into the cavity when the disc rotates to the second position.

Claim (Index 16):
The check valve of  claim 15 , wherein the rotation amount of the second portion of the disc is 35 degrees.

Metadata:
- Claim Count in Document: 21.0
- Percentile: 90.0
- Lexical Diversity: 2.04167
- Patent Class: 137.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15668763', '14994741', '14312843', '12977357', '13186644']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8085462992324693
- 35 USC 102 Novelty (BERT): 0.4789510490442208
- Combined Prediction Score: 0.7755867742136445
- Mean Citation Score: 163.936712
- Max Citation Score: 178.14622
- Similarity Product: 121.87338130272389

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