Patent US3027672A successfully refreshed from Google Patents.
US3027672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firearm with aluminum alloy receiver
Assignee: Individual
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Filing: 1961-04-26
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Granted: 1962-04-03
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 George C Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:38
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/48; F41A21/482; F41A21/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
LIGHTWEIGHT FIREARM COMPRISING IN COMBINATION A GUN BARREL HAVING A FIRING CHAMBER AND SLEEVE MEANS FIXEDLY MOUNTED THEREON AT ITS BREECH END, A RECEIVER FIXEDLY MOUNTED ON AND SUPPORTING SAID GUN BARREL, SAID RECEIVER BEING FABRICATED OF AN ALUMINUM ALLOY, SAID BARREL SLEEVE MEANS BEING FIXEDLY SECURED TO THE BREECH END THEREOF AND FORMING A REARWARD BARREL EXTENSION IN SAID RECEIVER, SAID BARREL EXTENSION HAVING AN IMPERFORATE OUTER SURFACE THROUGHOUT ITS LENGTH, A BOLT HEAD PORTION, SAID BARREL SLEEVE AND HAVING A ROTARY BOLT HEAD PORTION, SAID BARREL SLEEVE EXTENSION AND SAID ROTARY BOLT HEADD BEING FABRICATED A FERROUS ALLOY OF GREATER STRENGTH THAN THE ALUMINUM ALLOY OF SAID RECEIVER, THE SAID REARWARD BARREL SLEEVE EXTENSION BEING OF A LENGTH TO TELESCOPICALLY ENGAGE ONLY
References Cited (Backward Citations)
US1007911A
Cited
US1685148A
Cited
US2090656A
Cited
US2324775A
Cited
US2655837A
Cited
US2585195A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |