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US3236155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firearm having an auxiliary bolt closure mechanism
Assignee: Colts Inc
•
Filing: 1964-07-08
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Granted: 1966-02-22
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Expires: 1984-07-08
Abstract
No abstract record available.
Inventors
- 👤 Foster E Sturtevant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:42
CPC Classifications
F; F41; F41A; F41A3/00; F41A3/64; F41A3/72; F41A3/12; F41A3/14; F41A3/16; F41A3/18; F41A3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A GAS-OPERATED AUTOMATIC FIREARM, A RECEIVER HAVING A LONGITUDINAL CAVITY AND A PASSAGE COMMUNICATING WITH THE CAVITY, SAID PASSAGE EXTENDING REARWARDLY AT AN ACUTE ANGLE TO THE LONGITUDINAL AXIS OF THE CAVITY; A BOLT ASSEMBLY MOUNTED IN SAID CAVITY FOR RECIPROABLE MOVEMENT BETWEEN RETRACTED AND BATTERY POSITIONS, SAID ASSEMBLY COMPRISING A BOLT CARRIER ; AND AN AUXILIARY BOLT CLOSURE MECHANISM SLIDEABLY RETAINED WITHIN SAID PASSAGE FOR MOVEMENT, SAID CLOSURE MECHANISM BEING BIASED OUTWARDLY AND COMPRISING A MOTION-TRANSMITTING MEMBER, RESILIENTLY URGED INTO A COOPERATIVE ENGAGEMENT WITH SAID BOLT CARRIER DURING INWARD MOVEMENT OF SAID CLOSURE MECHANISM THEREBY FACILITATING MOVEMENT OF SAID CARRIER INTO THE BATTERY POSITION.
Claim 2
Dependent Claim
106 words
IN A GAS-OPERATED AUTOMATIC FIREARM, A RECEIVER HAVING A LONGITUDINAL CAVITY AND A PASSAGE COMMUNICATING WITH THE CAVITY, SAID PASSAGE EXTENDING REARWARDLY AT AN ACUTE ANGLE TO THE LONGITUDINAL AXIS OF THE CAVITY; A BOLT ASSEMBLY MOUNTED IN SAID CAVITY FOR RECIPROABLE MOVEMENT BETWEEN RETRACTED AND BATTERY POSITIONS, SAID ASSEMBLY COMPRISING A BOLT CARRIER ; AND AN AUXILIARY BOLT CLOSURE MECHANISM SLIDEABLY RETAINED WITHIN SAID PASSAGE FOR MOVEMENT, SAID CLOSURE MECHANISM BEING BIASED OUTWARDLY AND COMPRISING A MOTION-TRANSMITTING MEMBER, RESILIENTLY URGED INTO A COOPERATIVE ENGAGEMENT WITH SAID BOLT CARRIER DURING INWARD MOVEMENT OF SAID CLOSURE MECHANISM THEREBY FACILITATING MOVEMENT OF SAID CARRIER INTO THE BATTERY POSITION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |