PATENT CLAIM ANALYSIS

Application Number: 16059612
Application Type: Utility
Filing Date: 2018-08
Publication Date: 2018-12
Patent Classification: ["222", "190000"]

Abstract:
A piston pump for dispensing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through a piston-forming element of the piston pump.

Claim (Index 17):
A pump as claimed in  claim 5  wherein the piston chamber-forming member having a cylindrical air vent chamber having a diameter, a chamber wall, an open outer end and an inner end,\n the inner chamber and air vent chamber being coaxial with the outer end of the air vent chamber opening into the inner end of the inner chamber, \n the piston chamber-forming member providing a transfer port proximate the inner end of the inner chamber and the outer end of the air vent chamber providing communication between the reservoir and the inner chamber or the air vent chamber.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 96.0
- Lexical Diversity: 1.33333
- Patent Class: 222.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15106720', '11145221', '15709731', '14607503', '12457476']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8147958058442435
- 35 USC 102 Novelty (BERT): 0.5991928704485332
- Combined Prediction Score: 0.7932355123046725
- Mean Citation Score: 433.007256
- Max Citation Score: 532.1684
- Similarity Product: 475.4123256834984

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