Patent US5156600A successfully refreshed from Google Patents.
Patent US2422767A successfully refreshed from Google Patents.
US2422767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic barrel buffer for guns
Assignee: Motors Liquidation Co
•
Filing: 1943-08-26
•
Granted: 1947-06-24
•
Expires: 1963-08-26
Abstract
No abstract record available.
Inventors
- 👤 Louis A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:09
CPC Classifications
F; F41; F41A; F41A25/00; F41A25/16; F41A25/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US436899A
Cited
US488409A
Cited
US1146772A
Cited
US1171722A
Cited
US1200199A
Cited
US1278350A
Cited
US1351141A
Cited
US1605249A
Cited
US1903435A
Cited
US1628226A
Cited
US2146089A
Cited
US2237915A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |