Pivoted breech bolt lock for gas piston firearms

• US 2,775,166 A
• Filed: 08/22/1952
• Issued: 12/25/1956
• Est. Priority Date: 08/22/1951
• Status: Expired due to Term

• Current Assignee: Stefan K. Janson
• Original Assignee: Stefan K. Janson
• Inventors: Janson, Stefan K.
• Application Number:
  US03/305,805
• Time in Patent Office: 1,586 Days
• US Class Current: 89/190
• CPC Class Codes: F41A 19/13 Percussion or firing pins, i.e. fixed or slidably-mounted striker elements; Mountings therefor F41A19/26 takes precedence
• CPC Class Codes: F41A 19/30 in bolt-action guns
• CPC Class Codes: F41A 19/33 Arrangements for the selection of automatic or semi-automatic fire
• CPC Class Codes: F41A 3/40 mounted on the bolt F41A3/42 takes precedence
• CPC Class Codes: F41A 3/82 Coil spring buffers F41A3/80 takes precedence
• CPC Class Codes: F41A 5/18 gas-operated
• CPC Class Codes: F41C 33/08 Handles for carrying smallarms
• CPC Class Codes: F41G 11/001 Means for mounting tubular or beam shaped sighting or aiming devices on firearms
• CPC Class Codes: F41G 11/005 Mountings using a pivot point and an anchoring point

Claims