Patent US3272127A successfully refreshed from Google Patents.
US3272127A
Expired / Lapsed
US
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Igniter squib
Assignee: Individual
•
Filing: 1963-08-05
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Granted: 1966-09-13
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Betts
- 👤 Nathan P Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:13
CPC Classifications
F; F42; F42B; F42B3/00; F42B3/10; F42B3/18; F42B3/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
AN IMPROVED IGNITER SQUIB COMPRISING: (A) A HOUSING; (B) A PYROTECHNIC MATERIAL DISPOSED IN SAID HOUSING; (C) A DIAPHRAGM MOUNTED IN SAID HOUSING FOR SUPPORT OF SAID PYROTECHNIC MATERIAL, SAID DIAPHRAGM BEING CUP-SHAPED AND HAVING THE WALL THEREOF FORCE FITTED WITH SAID HOUSING AND PARTIALLY ENCLOSING SAID PYROTECHNIC MATERIAL AND PROVIDED WITH A BASE HAVING A RUPTURABLE PORTION IN THE FORM OF A SIMPLE DISPOSED THEREIN; (D) A FIRING CIRCUIT EXTENDING INTO SAID HOUSING IN SPACED RELATION WITH SAID DIAPHRAGM;AND, (E) A MEMBER INTERPOSED BETWEEN SAID DIAPHRAGM AND SAID PYROTECHNIC MATERIAL AND PROVIDED WITH A BORE ADJACENT SAID RUPTURABLE PORTION TO SERVE AS A DIE AGAINST WHICH SAID RUPTURABLE PORTION CAN SHEAR RESPONSIVE TO ENERGIZATION OF SAID FIRING CIRCUIT TO CONCENTRATE SUBSTANTIALLY TOTAL IGNITION ENERGY TO SAID PYROTECHNIC.
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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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |