Patent US997587A successfully refreshed from Google Patents.
US2935948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket igniter pellets
Assignee: American Potash and Chemical Corp
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Filing: 1958-02-14
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Granted: 1960-05-10
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Expires: 1978-02-14
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:14
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/08; F42C19/0819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A ROCKET IGNITION DEVICE WHEREIN A PLURALITY OF FLAT-ENDED CYLINDRICAL PELLETS CONSISTING OF AN IGNITABLE FORMULATION CONTAINING AT LEAST ONE METAL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM, MAGNESIUM, AND TITANIUM, LOOSELY CONTACT ONE ANOTHER IN A CONTAINER THEREFOR, AT LEAST SOME OF SAID PELLETS BEING JUXTAPOSED TO A SQUIB INITIATOR THEREFOR, THE IMPROVEMENT COMPRISING A SLEEVE OF METAL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM, MAGNESIUM, TITANIUM AND ALLOYS CONSISTING SOLELY OF THE FOREGOING METALS ENCASING SOLELY THE CIRCUMFRENTIAL WALLS OF EACH OF SAID PELLETS, THE THICKNESS OF SAID METAL BEING AT LEAST ABOUT 0.005 INCH AND NO GREATER THAN ABOUT 0.010 INCH, EITHER END OF EACH OF SAID PELLETS RE-
Claim 2
Dependent Claim
113 words
IN A ROCKET IGNITION DEVICE WHEREIN A PLURALITY OF FLAT-ENDED CYLINDRICAL PELLETS CONSISTING OF AN IGNITABLE FORMULATION CONTAINING AT LEAST ONE METAL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM, MAGNESIUM, AND TITANIUM, LOOSELY CONTACT ONE ANOTHER IN A CONTAINER THEREFOR, AT LEAST SOME OF SAID PELLETS BEING JUXTAPOSED TO A SQUIB INITIATOR THEREFOR, THE IMPROVEMENT COMPRISING A SLEEVE OF METAL SELECTED FROM THE CLASS CONSISTING OF ALUMINUM, MAGNESIUM, TITANIUM AND ALLOYS CONSISTING SOLELY OF THE FOREGOING METALS ENCASING SOLELY THE CIRCUMFRENTIAL WALLS OF EACH OF SAID PELLETS, THE THICKNESS OF SAID METAL BEING AT LEAST ABOUT 0.005 INCH AND NO GREATER THAN ABOUT 0.010 INCH, EITHER END OF EACH OF SAID PELLETS RE-
References Cited (Backward Citations)
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US2124201A
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US2072671A
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US2685837A
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US2637274A
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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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |