Patent US3397640A successfully refreshed from Google Patents.
US3397640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuze with improved time delay and self-destruct mechanism
Assignee: General Electric Co
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Filing: 1966-10-28
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Granted: 1968-08-20
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Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Richard T Ziemba
- 👤 John W Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/02; F42C9/06; F42C15/00; F42C15/18; F42C15/188; F42C15/192; F42C15/196; F42C15/20; F42C15/22; F42C15/28; F42C15/285; F42C9/14; F42C9/16; F42C9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US896135A
Cited
US2280429A
Cited
US2896540A
Cited
US2921527A
Cited
US3118379A
Cited
DE1185093B
Cited
US3211099A
Cited
US3320891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |