US3407731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible detonating fuse
Assignee: EIDP Inc
•
Filing: 1967-05-02
•
Granted: 1968-10-29
•
Expires: 1987-05-02
Abstract
No abstract record available.
Inventors
- 👤 William L Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
F; F42; F42B; F42B33/00; B; B29; B29C; B29C48/00; C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06C; C06C5/00; C06C5/04; B29C48/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2363569A
Cited
US2999743A
Cited
US3102833A
Cited
US3227588A
Cited
US3296041A
Cited
US3269880A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |