PATENT CLAIM ANALYSIS

Application Number: 16190063
Application Type: Utility
Filing Date: 2018-11
Publication Date: 2019-03
Patent Classification: ["042", "016000"]

Abstract:
Components of a firearm having a bolt with locking lugs improve shooting accuracy, due to increased coaxial alignment between the bolt, the cartridge, the receiver, and/or the barrel of a firearm. The receiver inner surface is shaped for lug-cleaning and for close tolerance/mating with the lugs only in the locked position and also with a non-threaded, axial surface of the barrel. Thus, the mating surfaces that are instrumental and/or that mainly control coaxial alignment of the receiver, bolt, and barrel are located between the lug stops and the threaded end of the receiver. The lugs may be axially curved or otherwise axially non-linear to tolerate dirt and other debris in a field environment.

Claim (Index 6):
A firearm action comprising:\n a receiver having a proximal end, and a distal end for connection to a firearm barrel, the receiver having a boltway surrounded and defined by an inner receiver surface, wherein the boltway has a longitudinal axis and a radial dimension transverse to the longitudinal axis, and the receiver further has lug stops extending into the boltway; wherein the elongated bolt has a bolt longitudinal axis, a bolt radial dimension transverse to the bolt longitudinal axis, and multiple locking lugs extending radially from the bolt, wherein each lug has a radial-extremity surface; wherein the inner receiver surface comprises an axial portion that is entirely distal of the lug stops, wherein said axial portion has radially-inwardly-protruding ramps comprising troughs with a trough diameter and crests with a crest diameter that is smaller than said trough diameter; and wherein the bolt slides axially to place the locking lugs entirely distal of the lug stops in an unlocked position, and the bolt is rotatable from the unlocked position to a locked position wherein at least a portion of said radial-extremity surface of each of said locking lugs mates with the crests so that the bolt is centered in the receiver boltway.

Metadata:
- Claim Count in Document: 24.0
- Percentile: 98.0
- Lexical Diversity: 1.83824
- Patent Class: 42.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15047569', '15721612', '15846802', '12409783', '13937028']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8192846488837339
- 35 USC 102 Novelty (BERT): 0.6537901967380202
- Combined Prediction Score: 0.8027352036691625
- Mean Citation Score: 415.418374
- Max Citation Score: 661.72144
- Similarity Product: 639.8971405383587

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

Dataset: test