Patent US2609631A successfully refreshed from Google Patents.
US2609631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for securing liners to firearm barrels
Assignee: Individual
•
Filing: 1948-05-24
•
Granted: 1952-09-09
•
Expires: 1968-05-24
Abstract
No abstract record available.
Inventors
- 👤 John C Garand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:45
CPC Classifications
F; F41; F41A; F41A21/00; F41A21/02; F41A21/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US301233A
Cited
US981095A
Cited
US1127268A
Cited
US1355421A
Cited
US1544469A
Cited
US2445777A
Cited
US2499944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |