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 16):
A pump as claimed in  claim 6  wherein the air passageway including a first passage extending through the piston-forming element within the stem of the piston-forming member axially past the inner flexing disc and the outer flexing disc to an opening on the stem intermediate the outer flexing disc and the sealing disc, and a second passage extending through the piston-forming element within the stem of the piston-forming member axially past the sealing disc from an opening on the stem of the piston-forming element intermediate the outer flexing disc and the sealing disc to an air inlet port on the stem of the piston-forming element axially outwardly of the sealing disc, the air inlet port in communication with atmospheric air,\n the first passage and the second passage in communication through the intermediate chamber and the outer chamber radially outward of the stem between the outer flexing disc and the sealing disc.

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): 0.8153187217035864
- 35 USC 102 Novelty (BERT): 0.5971262768588065
- Combined Prediction Score: 0.7934994772191084
- Mean Citation Score: 433.007256
- Max Citation Score: 532.1684
- Similarity Product: 466.2250610498666

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