Patent US3190776A successfully refreshed from Google Patents.
US3190776A
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US
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Coated ammonium perchlorate and propellant compositions
Assignee: Union Carbide Corp
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Filing: 1960-11-14
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Granted: 1965-06-22
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Expires: 1980-11-14
Abstract
No abstract record available.
Inventors
- 👤 Hans H Ender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:19
CPC Classifications
C; C06; C06B; C06B29/00; C06B29/22; C01; C01B; C01B11/00; C01B11/16; C01B11/18; C01B11/185; C06B45/00; C06B45/18; C06B45/30; C06B45/32; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/114
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A PROCESS FOR PRODUCING SOLID PROPELLANT COMPOSITIONS, SAID PROCESS COMPRISING HARDENING A MIXTURE CONTAINING COATED PARTICULATE AMMONIUM PERCHLORATE WHEREIN THE COATING IS OF AN ORGANOSILOXANE COMPRISING GROUPS REPRESENTED BY THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |