Patent US2340375A successfully refreshed from Google Patents.
Patent US3343487A successfully refreshed from Google Patents.
US3343487A
Expired / Lapsed
US
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Pyrotechnic delay device for mild detonating fuze
Assignee: Individual
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Filing: 1965-12-22
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Granted: 1967-09-26
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Expires: 1985-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr George F Hare
- 👤 James F Kowalick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:46
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06; F; F42; F42B; F42B3/00; F42B3/02; F42D; F42D1/00; F42D1/04; F42D1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A PYROTECHNIC DELAY DEVICE FOR MILD DETONATING FUZE INCLUDING A DELAY ELEMENT COMPRISING A CASE OPEN AT EITHER END, MEANS FOR SECURING THE ENDS OF SAID CASE TO THE ENDS OF SAID MILD DETONATION FUZE, A LEAD TUBE CONTAINED IN SAID CASE, CONTAINING A COLUMN OF DELAY COMPOSITION, A PAPER DISC ADJACENT TO EACH END OF SAID MILD DETONATING FUZE WITHIN SAID CASE, A FIRST VENTED WASHER ADJACENT SAID PAPER DISCS, A PRIMARY EXPLOSIVE COMPOSITION CONTAINED WITHIN SAID VENTED WASHER, A SECOND VENTED WASHER BETWEEN SAID FIRST VENTED WASHER AND SAID LEAD TUBE, AND A GASLESS IGNITER MIXTURE CONTAINED WITHIN SAID SECOND VENTED WASHER.
Claim 2
Dependent Claim
104 words
A PYROTECHNIC DELAY DEVICE FOR MILD DETONATING FUZE INCLUDING A DELAY ELEMENT COMPRISING A CASE OPEN AT EITHER END, MEANS FOR SECURING THE ENDS OF SAID CASE TO THE ENDS OF SAID MILD DETONATION FUZE, A LEAD TUBE CONTAINED IN SAID CASE, CONTAINING A COLUMN OF DELAY COMPOSITION, A PAPER DISC ADJACENT TO EACH END OF SAID MILD DETONATING FUZE WITHIN SAID CASE, A FIRST VENTED WASHER ADJACENT SAID PAPER DISCS, A PRIMARY EXPLOSIVE COMPOSITION CONTAINED WITHIN SAID VENTED WASHER, A SECOND VENTED WASHER BETWEEN SAID FIRST VENTED WASHER AND SAID LEAD TUBE, AND A GASLESS IGNITER MIXTURE CONTAINED WITHIN SAID SECOND VENTED WASHER.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |