US3158097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive initiator
Assignee: EIDP Inc
•
Filing: 1962-06-11
•
Granted: 1964-11-24
•
Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 William R Brockway
- 👤 George A Noddin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:39
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
AN INITIATOR WHICH COMPRISES A TUBULAR SHELL HAVING TWO EXTREMITIES, ONE OF THE EXTREMITES BEING INTEGRALLY CLOSED BY A CLOSURE MEMBER OF LESSER THICKNESS THAN THE SIDEWALLS OF THE SHELL, AND AN IGNITION ASSEMBLY INSERTED INTO AND CLOSING THE OTHER EXTREMITY, THE SHELL HAVING POSITIONED SEQUENTIALLY THEREIN FROM SAID INTEGRAL CLOSURE MEMBER, UP TO ABOUT 1 GRAIN OF BASE CHARGE, UP TO ABOUT 1 GRAIN OF PRIMING CHARGE, AND AN IGNITION COMPOSITION, SAID BASE AND PRIMING CHARGES HAVING A COMBINED COLUMNAR LENGTH OF AT LEAST ABOUT 1/4 INCH AND BEING IN PERIPHERAL CONTACT WITH THE SHELL, THE RATIO OF SAID LENGTH TO THE DIAMETER OF SAID CHARGES BEING FROM ABOUT 1.5 TO ABOUT 3.0.
Claim 2
Dependent Claim
114 words
AN INITIATOR WHICH COMPRISES A TUBULAR SHELL HAVING TWO EXTREMITIES, ONE OF THE EXTREMITES BEING INTEGRALLY CLOSED BY A CLOSURE MEMBER OF LESSER THICKNESS THAN THE SIDEWALLS OF THE SHELL, AND AN IGNITION ASSEMBLY INSERTED INTO AND CLOSING THE OTHER EXTREMITY, THE SHELL HAVING POSITIONED SEQUENTIALLY THEREIN FROM SAID INTEGRAL CLOSURE MEMBER, UP TO ABOUT 1 GRAIN OF BASE CHARGE, UP TO ABOUT 1 GRAIN OF PRIMING CHARGE, AND AN IGNITION COMPOSITION, SAID BASE AND PRIMING CHARGES HAVING A COMBINED COLUMNAR LENGTH OF AT LEAST ABOUT 1/4 INCH AND BEING IN PERIPHERAL CONTACT WITH THE SHELL, THE RATIO OF SAID LENGTH TO THE DIAMETER OF SAID CHARGES BEING FROM ABOUT 1.5 TO ABOUT 3.0.
References Cited (Backward Citations)
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US2517763A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |