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IPC Subgroup
F41A 3/54

Bolt locks of the unlocked type, i.e. being inertia operated

Introduced: January 1990

Last revised: January 2006

Full Title

Breech mechanism, e.g. locks > Bolt action, i.e. the main breech opening movement being parallel to the barrel axis > Bolt locks of the unlocked type, i.e. being inertia operated

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
WEAPONS
Subclass:
FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

1 direct subcode

Child Classifications

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  • F41A 3/56 the bolt being provided with an additional slidable mass

Top Applicants

Top 10 applicants by patent filingsfor class F41, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NEXTER SYSTEMS FR 509
  2. AGENCY FOR DEFENSE DEVELOPMENT KR 461
  3. RHEINMETALL WAFFE MUNITION DE 409
  4. BAE SYSTEMS GB 388
  5. CHONGQING JIANSHE INDUSTRY (GROUP) COMPANY 352
  6. AXON ENTERPRISE US 345
  7. LIG NEX1 COMPANY KR 323
  8. RAYTHEON COMPANY US 320
  9. KRAUSS-MAFFEI WEGMANN & COMPANY DE 263
  10. NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 228