Patent US3306168A successfully refreshed from Google Patents.
US3306168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas operated semi-automatic pistol
Assignee: Individual
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Filing: 1965-08-16
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Granted: 1967-02-28
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 Howard J Blumrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:25
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/48; F41A21/482; F41A19/00; F41A19/06; F41A19/42; F41A19/43; F41A19/44; F41A3/00; F41A3/12; F41A3/36; F41A3/38; F41A5/00; F41A5/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A PISTOL, SAID PISTOL COMPRISING A FRAME, A BOLT, A BREECH SLIDE, A BARREL AND A RECEIVER, SAID RECEIVER ADAPTED TO RECEIVE SAID BOLT, SAID BOLT ADAPTED TO MOVE IN SAID RECEIVER, SAID BARREL AND SAID RECEIVER RIGIDLY CONNECTED, SAID BOLT AND BREECH SLIDE BEING INTEGRAL, A GASEOUS RECOIL VENT CONNECTING WITH SAID BARREL, A PLUNGER ASSOCIATED WITH SAID VENT, SAID PLUNGER ADAPTED TO MOVE AGAINST SAID BREECH SLIDE, AND SAID GASEOUS VENT, UPON THE GUN BEING FIRED, BECOMING A TRAP FOR GAS SO THAT THE GAS PRESSURE IN THE VENT INCREASES SO AS TO MOVE SAID PLUNGER AGAINST SAID BREECH SLIDE IN ORDER TO MOVE THE BOLT AWAY FROM THE BARREL.
Claim 2
Dependent Claim
112 words
A PISTOL, SAID PISTOL COMPRISING A FRAME, A BOLT, A BREECH SLIDE, A BARREL AND A RECEIVER, SAID RECEIVER ADAPTED TO RECEIVE SAID BOLT, SAID BOLT ADAPTED TO MOVE IN SAID RECEIVER, SAID BARREL AND SAID RECEIVER RIGIDLY CONNECTED, SAID BOLT AND BREECH SLIDE BEING INTEGRAL, A GASEOUS RECOIL VENT CONNECTING WITH SAID BARREL, A PLUNGER ASSOCIATED WITH SAID VENT, SAID PLUNGER ADAPTED TO MOVE AGAINST SAID BREECH SLIDE, AND SAID GASEOUS VENT, UPON THE GUN BEING FIRED, BECOMING A TRAP FOR GAS SO THAT THE GAS PRESSURE IN THE VENT INCREASES SO AS TO MOVE SAID PLUNGER AGAINST SAID BREECH SLIDE IN ORDER TO MOVE THE BOLT AWAY FROM THE BARREL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |