US3009418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Firing device
Assignee: Hercules Powder Co
•
Filing: 1959-04-24
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Granted: 1961-11-21
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Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 David T Zebree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:54
CPC Classifications
C; C06; C06C; C06C9/00; C06B; C06B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
IN A FIRING DEVICE HAVING IN COMBINATION AT LEAST AN IGNITION CHARGE AND A FUSE CHARGE, THE IMPROVEMENT WHICH COMPRISES A COMPRESSED WAFER CHARGE OF SUBSTANTIALLY GASLESS BURNING COMPOSITION ESSENTIALLY CONSISTING OF A NONFERROUS METAL POWDER HAVING A MELTING POINT OF NOT MORE THAN 700*F., SAID WAFER CHARGE COMPRESSED AT A PRESSURE OF AT LEAST ABOUT 2,000 POUNDS PER SQUARE INCH AND INTERPOSED BETWEEN AND IN CONTACT WITH THE IGNITION CHARGE AND THE FUSE CHARGE.
Claim 2
Dependent Claim
75 words
IN A FIRING DEVICE HAVING IN COMBINATION AT LEAST AN IGNITION CHARGE AND A FUSE CHARGE, THE IMPROVEMENT WHICH COMPRISES A COMPRESSED WAFER CHARGE OF SUBSTANTIALLY GASLESS BURNING COMPOSITION ESSENTIALLY CONSISTING OF A NONFERROUS METAL POWDER HAVING A MELTING POINT OF NOT MORE THAN 700*F., SAID WAFER CHARGE COMPRESSED AT A PRESSURE OF AT LEAST ABOUT 2,000 POUNDS PER SQUARE INCH AND INTERPOSED BETWEEN AND IN CONTACT WITH THE IGNITION CHARGE AND THE FUSE CHARGE.
References Cited (Backward Citations)
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Cited
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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) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |