Patent US2628536A successfully refreshed from Google Patents.
US2628536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-operated automatic firearm with forwardly moving barrel
Assignee: Individual
•
Filing: 1945-10-10
•
Granted: 1953-02-17
•
Expires: 1965-10-10
Abstract
No abstract record available.
Inventors
- 👤 Wilbur A Schaich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:28
CPC Classifications
F; F41; F41A; F41A5/00; F41A5/18; F41A19/00; F41A19/06; F41A19/25; F41A19/27; F41A19/29; F41A19/39; F41A3/00; F41A3/12; F41A3/14; F41A3/16; F41A3/26; F41A3/36; F41A3/38; F41A3/44; F41A3/54; F41A5/02; F41A5/16; F41A5/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE38004C
Cited
US666084A
Cited
US682230A
Cited
US715971A
Cited
US877657A
Cited
US918380A
Cited
US958545A
Cited
US1173161A
Cited
US1070145A
Cited
US1327897A
Cited
US1334052A
Cited
FR497303A
Cited
US1422237A
Cited
US1376456A
Cited
US1469918A
Cited
GB225759A
Cited
US1564014A
Cited
US1672540A
Cited
US1755034A
Cited
US1878039A
Cited
US1913255A
Cited
US1994489A
Cited
US2345127A
Cited
US2248015A
Cited
US2296729A
Cited
US2345833A
Cited
US2387691A
Cited
US2372542A
Cited
US2396816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |