US2944485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive device
Assignee: Hercules Powder Co
•
Filing: 1955-10-05
•
Granted: 1960-07-12
•
Expires: 1975-10-05
Abstract
No abstract record available.
Inventors
- 👤 Albert R Ely
- 👤 Jack D Hayes
- 👤 Robert W Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:56
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US292642A
Cited
US2165263A
Cited
US2733658A
Cited
US1700085A
Cited
US2317415A
Cited
US2513391A
Cited
US2415814A
Cited
US2425741A
Cited
US2709407A
Cited
GB695601A
Cited
US2775200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |