US3390636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-initiating device
Assignee: United States Department of the Army
•
Filing: 1966-11-17
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Granted: 1968-07-02
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Expires: 1986-11-17
Abstract
No abstract record available.
Inventors
- 👤 William E Perkins
- 👤 George P Catrambone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:44
CPC Classifications
C; C06; C06C; C06C7/00; C06C9/00; F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/124; F42B3/18; F42C; F42C19/00; F42C19/08; F42C19/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |