US3110846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical igniter
Assignee: Hercules Powder Co
•
Filing: 1960-06-07
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Granted: 1963-11-12
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Expires: 1980-06-07
Abstract
No abstract record available.
Inventors
- 👤 Don A Wedwick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:24
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/103; F42B3/12; F42B3/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
AN ELECTRICAL IGNITER WHICH IS DESIGNED TO PENETRATE ONE END OF A GAS-PRODUCING CARTRIDGE HAVING A SOFT NONCONDUCTIVE CONTAINER AND TO IGNITE THE CARTRIDGE FOR THE PRODUCTION OF HIGH PRESSURE GAS IN A COMBUSTION CHAMBER, SAID IGNITER COMPRISING IN COMBINATION: (A) A CYLINDRICAL SUPPORTING MEMBER, (B) A PAIR OF RIGID LONGITUDINAL CONDUCTIVE MEMBERS SPACED FROM EACH OTHER AND EXTENDING THROUGH THE SUPPORTING MEMBER TO FORM A PAIR OF ELECTRICAL TERMINALS AT ONE END THEREOF AND INWARDLY BENT TOWARD EACH OTHER WITH THEIR FACING SURFACES IN CLOSE PARALLEL SPACED RELATIONSHIP AT THE OTHER END THEREOF TO FORM MEANS FOR EASE OF PENETRATION OF THE AFORESAID CARTRIDGE, (C) PRECOMPRESSED INSULATING AND SEALING MEANS DISPOSED WITHIN THE SUPPORTING MEMBER AND SURROUNDING THE PAIR OF ELECTRICAL TERMINALS TO PREVENT THE ESCAPE OF AFORESAID HIGH PRESSURE GAS THERETHROUGH, AND
Claim 2
Dependent Claim
134 words
AN ELECTRICAL IGNITER WHICH IS DESIGNED TO PENETRATE ONE END OF A GAS-PRODUCING CARTRIDGE HAVING A SOFT NONCONDUCTIVE CONTAINER AND TO IGNITE THE CARTRIDGE FOR THE PRODUCTION OF HIGH PRESSURE GAS IN A COMBUSTION CHAMBER, SAID IGNITER COMPRISING IN COMBINATION: (A) A CYLINDRICAL SUPPORTING MEMBER, (B) A PAIR OF RIGID LONGITUDINAL CONDUCTIVE MEMBERS SPACED FROM EACH OTHER AND EXTENDING THROUGH THE SUPPORTING MEMBER TO FORM A PAIR OF ELECTRICAL TERMINALS AT ONE END THEREOF AND INWARDLY BENT TOWARD EACH OTHER WITH THEIR FACING SURFACES IN CLOSE PARALLEL SPACED RELATIONSHIP AT THE OTHER END THEREOF TO FORM MEANS FOR EASE OF PENETRATION OF THE AFORESAID CARTRIDGE, (C) PRECOMPRESSED INSULATING AND SEALING MEANS DISPOSED WITHIN THE SUPPORTING MEMBER AND SURROUNDING THE PAIR OF ELECTRICAL TERMINALS TO PREVENT THE ESCAPE OF AFORESAID HIGH PRESSURE GAS THERETHROUGH, AND
References Cited (Backward Citations)
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Cited
US1361689A
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US2064706A
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US2370159A
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US2473405A
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US2481696A
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US2754757A
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US2767655A
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US2882820A
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US2894161A
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |