US3031968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piezo-electric fuze
Assignee: Individual
•
Filing: 1958-04-09
•
Granted: 1962-05-01
•
Expires: 1978-04-09
Abstract
No abstract record available.
Inventors
- 👤 Thomas De W Dowdell
- 👤 Musser C Walton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:52
CPC Classifications
F; F42; F42C; F42C11/00; F42C11/02; F23; F23Q; F23Q2/00; F23Q2/28; F23Q2/285; F23Q2/287; F23Q3/00; F23Q3/002
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2764091A
Cited
US2934661A
Cited
US2892411A
Cited
GB740195A
Cited
US2849957A
Cited
US2834952A
Cited
US2793260A
Cited
US2871787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |