US3352244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-generating grain
Assignee: Atlantic Research Corp
•
Filing: 1965-10-22
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Granted: 1967-11-14
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 William H Holter
- 👤 Danny D Dunfee
- 👤 Roland C Webster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:44
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
AN END-BURNING GRAIN HAVING AN INITIAL IGNITION SURFACE AND A RESTRICTED HEAD-END SURFACE AT ITS OPPOSITE END AND COMPRISING A SELF-OXIDANT, GAS-GENERATING MATRIX HAVING A LONGITUDINAL RECESS EXTENDING INWARDLY FROM ITS HEAD END, SAID GRAIN CONTAINING A SINGLE ELONGATED METAL HEAT CONDUCTOR LONGITUDINALLY EMBEDDED IN THE MATRIX OF SAID GRAIN AND COMMUNICATING WITH SAID RECESS.
Claim 2
Dependent Claim
55 words
AN END-BURNING GRAIN HAVING AN INITIAL IGNITION SURFACE AND A RESTRICTED HEAD-END SURFACE AT ITS OPPOSITE END AND COMPRISING A SELF-OXIDANT, GAS-GENERATING MATRIX HAVING A LONGITUDINAL RECESS EXTENDING INWARDLY FROM ITS HEAD END, SAID GRAIN CONTAINING A SINGLE ELONGATED METAL HEAT CONDUCTOR LONGITUDINALLY EMBEDDED IN THE MATRIX OF SAID GRAIN AND COMMUNICATING WITH SAID RECESS.
References Cited (Backward Citations)
US3140663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |