US2877504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding propellant grain to metal case
Assignee: Phillips Petroleum Co
•
Filing: 1954-08-02
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Granted: 1959-03-17
•
Expires: 1974-08-02
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:09
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/34; F02K9/346; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2160108A
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US2234238A
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US2407559A
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US2479470A
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US2438348A
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US2616481A
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US2623465A
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US2689755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |