US2972306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact responsive electric primer
Assignee: Individual
•
Filing: 1952-08-27
•
Granted: 1961-02-21
•
Expires: 1972-08-27
Abstract
No abstract record available.
Inventors
- 👤 Kabik Irving
- 👤 Jr Eugene L Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:06
CPC Classifications
F; F23; F23Q; F23Q3/00; F23Q3/002; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F42; F42C; F42C11/00; F42C11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2486560A
Cited
CH277052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |