US3069844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ignition of solid rocket propellants
Assignee: Phillips Petroleum Co
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Filing: 1958-06-02
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Granted: 1962-12-25
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Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Louis C Bearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:25
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/95; C; C06; C06C; C06C9/00
Claims Analysis
Total Claims: 0
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |