US3286471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid propellant rocket motor
Assignee: North American Aviation Corp
•
Filing: 1963-09-30
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Granted: 1966-11-22
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Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Charles J Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:37
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72; F02K9/08; F02K9/26; F02K9/80; F02K9/92; F02K9/94
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3159104A
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US3128600A
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US3136120A
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US3144751A
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US3182451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |