US2771034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blasting cap
Assignee: Olin Corp
•
Filing: 1951-12-29
•
Granted: 1956-11-20
•
Expires: 1971-12-29
Abstract
No abstract record available.
Inventors
- 👤 Blake Thomas Gaynor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:03
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2011578A
Cited
US2066954A
Cited
US2186427A
Cited
US2251101A
Cited
US2525397A
Cited
US2708623A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |