US3129663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fittings for low energy detonating cord
Assignee: Textron Systems Corp
•
Filing: 1961-08-11
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Granted: 1964-04-21
•
Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert W Schnepfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:28
CPC Classifications
F; F42; F42D; F42D1/00; F42D1/04; F42D1/043; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7859; Y10T137/7861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1854518A
Cited
US2275937A
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US2379942A
Cited
GB708422A
Cited
US3024728A
Cited
FR1241410A
Cited
GB855749A
Cited
US3020844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |