US3137599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysilane rocket propellants
Assignee: Dow Silicones Corp
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Filing: 1960-10-25
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Granted: 1964-06-16
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Richard W Alsgaard
- 👤 Henry N Beck
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:57
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AS A ROCKET PROPELLANT, A MIXTURE OF FROM (1) 6090% BY WEIGHT OF A SOLID INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF SOLID JINORGANIC SALTS AND SOLID COORDINATION COMPLESES OF PERCHLORIC ACID, AND (2) FROM 10-40% BY WEIGHT OF A FUEL COMPRISING AT LEAST A MAJOR PROPORTION BY WEIGHT BASED ON THE WEIGHT OF (2) OF A POLY SILANE SELECTED FROM THE GROUP CONSISTNIG OF SILANES OF THE FORMULA
Claim 2
Dependent Claim
70 words
AS A ROCKET PROPELLANT, A MIXTURE OF FROM (1) 6090% BY WEIGHT OF A SOLID INORGANIC OXIDIZER SELECTED FROM THE GROUP CONSISTING OF SOLID JINORGANIC SALTS AND SOLID COORDINATION COMPLESES OF PERCHLORIC ACID, AND (2) FROM 10-40% BY WEIGHT OF A FUEL COMPRISING AT LEAST A MAJOR PROPORTION BY WEIGHT BASED ON THE WEIGHT OF (2) OF A POLY SILANE SELECTED FROM THE GROUP CONSISTNIG OF SILANES OF THE FORMULA
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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |