US3107573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of restricting a solid propellant
Assignee: Standard Oil Co
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Filing: 1960-10-28
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Granted: 1963-10-22
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Expires: 1980-10-28
Abstract
No abstract record available.
Inventors
- 👤 Walter W Butcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:48
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0083; C06B45/00; C06B45/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF RESTRICTING A SOLID PROPELLANT BODY WHICH METHOD CONSISTS ESSENTIALLY OF (A) APPLYING A SOLVENT-SOFTENED FABRIC FORMED FROM CELLULOSE ACETATE FIBER TO A SELECTED PORTION OF THE SURFACE OF A SOLID PROPELLANT BODY, IN THE THICKNESS DESIRED TO ACCOMPLISH FLAME-RESTRICTION, AND (B) HEATING SAID COATED BY TO A TEMPERATURE AND FOR A TIME NEEDED TO ADHERE SAID FABRIC TO SAID SURFACE.
Claim 2
Independent Claim
63 words
A METHOD OF RESTRICTING A SOLID PROPELLANT BODY WHICH METHOD CONSISTS ESSENTIALLY OF (A) APPLYING A SOLVENT-SOFTENED FABRIC FORMED FROM CELLULOSE ACETATE FIBER TO A SELECTED PORTION OF THE SURFACE OF A SOLID PROPELLANT BODY, IN THE THICKNESS DESIRED TO ACCOMPLISH FLAME-RESTRICTION, AND (B) HEATING SAID COATED BY TO A TEMPERATURE AND FOR A TIME NEEDED TO ADHERE SAID FABRIC TO SAID SURFACE.
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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |