US2999460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric blasting cap
Assignee: EIDP Inc
•
Filing: 1959-03-02
•
Granted: 1961-09-12
•
Expires: 1979-03-02
Abstract
No abstract record available.
Inventors
- 👤 Stinger Henry Joseph
- 👤 Urban Tadeusz Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:17
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/195; F42B3/12; F42B3/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1935495A
Cited
US2331007A
Cited
US2506229A
Cited
US2762302A
Cited
US2880671A
Cited
US2878752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |