US3191535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid cellular metallic propellants
Assignee: Dow Chemical Co
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Filing: 1959-05-25
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Granted: 1965-06-29
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Expires: 1979-05-25
Abstract
No abstract record available.
Inventors
- 👤 John F Mulloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:20
CPC Classifications
C; C06; C06B; C06B45/00; C06B33/00; C06B33/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
64 words
A SOLID PROPELLANT CONSISTING ESSENTIALLY OF A CELLULAR STRUCTURE OF A MATERIAL OF THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, BERYLLIUM, ALLOYS AND MIXTURES THEREOF AND ALLOYS AND MIXTURES THEREOF WITH SILICON, LITHIUM, AND TITANIUM IN MINOR PROPORTIONS, SAID STRUCTURE HAVING SUBSTANTIALLY SPHERICAL, INTERCONNECTING CELLS, SAID CELLS BEING FILLED WITH AN OXIDANT IN SOLID FORM IN AN AMOUNT TO SUBSTANTIALLY COMPLETELY OXIDIZE THE CELLULAR STRUCTURE.
Claim 2
Dependent Claim
64 words
A SOLID PROPELLANT CONSISTING ESSENTIALLY OF A CELLULAR STRUCTURE OF A MATERIAL OF THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, BERYLLIUM, ALLOYS AND MIXTURES THEREOF AND ALLOYS AND MIXTURES THEREOF WITH SILICON, LITHIUM, AND TITANIUM IN MINOR PROPORTIONS, SAID STRUCTURE HAVING SUBSTANTIALLY SPHERICAL, INTERCONNECTING CELLS, SAID CELLS BEING FILLED WITH AN OXIDANT IN SOLID FORM IN AN AMOUNT TO SUBSTANTIALLY COMPLETELY OXIDIZE THE CELLULAR STRUCTURE.
Claim 3
Dependent Claim
30 words
A SOLID PROPELLANT ACCORDING TO CLAIM 1 WHEREIN EACH OF SAID VOIDS IN THE CELLULAR FUEL HAS A CROSS-SECTIONAL AREA LESS THAN 1/64 OF THE CROSS-SECTIONAL AREA OF THE ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |