US2427671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuze
Assignee: Individual
•
Filing: 1942-07-01
•
Granted: 1947-09-23
•
Expires: 1962-07-01
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Graumann
- 👤 Jr William J Donahue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:19
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/20; F42C15/22; F42C15/18; F42C15/188; F42C15/192; F42C15/196
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB190911458A
Cited
US1216802A
Cited
US1342652A
Cited
GB239877A
Cited
US1563418A
Cited
US1774043A
Cited
US1842467A
Cited
CH177632A
Cited
US2168482A
Cited
GB475596A
Cited
FR809307A
Cited
FR837467A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |