Patent US4105334A successfully refreshed from Google Patents.
US2984557A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustible composition
Assignee: Hercules Powder Co
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Filing: 1959-04-06
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Granted: 1961-05-16
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Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 David T Zebree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:14
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/02; C06B47/10; C06C; C06C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A COMBUSTIBLE COMPOSITION FOR UTILIZATION AS A SUBSTANTIALLY GASLESS BURNING COMPOSITION WHICH COMPRISES LEAD OXIDE AND METALLIC BORIDE OF THE GROUP CONSISTING OF MANGANESE BORIDE, ALUMINUM BORIDE, CALCIUM BORIDE, IRON BORIDE, ZIRCONIUM BORIDE, AND TUNGSTEN BORIDE IN THE PROPORTIONS OF 95 TO 40% AND 5 TO 60% BY WEIGHT, RESPECTIVELY.
Claim 2
Dependent Claim
50 words
A COMBUSTIBLE COMPOSITION FOR UTILIZATION AS A SUBSTANTIALLY GASLESS BURNING COMPOSITION WHICH COMPRISES LEAD OXIDE AND METALLIC BORIDE OF THE GROUP CONSISTING OF MANGANESE BORIDE, ALUMINUM BORIDE, CALCIUM BORIDE, IRON BORIDE, ZIRCONIUM BORIDE, AND TUNGSTEN BORIDE IN THE PROPORTIONS OF 95 TO 40% AND 5 TO 60% BY WEIGHT, RESPECTIVELY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |