Patent US2555050A successfully refreshed from Google Patents.
US2564751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grenade
Assignee: Individual
•
Filing: 1945-05-19
•
Granted: 1951-08-21
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:22
CPC Classifications
F; F42; F42B; F42B27/00; F42B12/00; F42B12/02; F42B12/20; F42B12/22; F42B12/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB134948A
Cited
US1027673A
Cited
GB191504928A
Cited
US1174073A
Cited
FR491085A
Cited
US1184137A
Cited
US1277311A
Cited
US1601378A
Cited
US1955156A
Cited
US1895523A
Cited
US2109479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |