US2535196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive cartridge unit
Assignee: Hercules Powder Co
•
Filing: 1946-04-19
•
Granted: 1950-12-26
•
Expires: 1966-04-19
Abstract
No abstract record available.
Inventors
- 👤 Lewis B Counterman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:41
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1265932A
Cited
US2340695A
Cited
GB547758A
Cited
US2415422A
Cited
US2413862A
Cited
US2383542A
Cited
US2396518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |