Patent US3024729A successfully refreshed from Google Patents.
US3024729A
Expired / Lapsed
US
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Ram jet projectile
Assignee: Calspan Corp
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Filing: 1948-04-24
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Granted: 1962-03-13
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Expires: 1968-04-24
Abstract
No abstract record available.
Inventors
- 👤 Robert W Kluge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:26
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189614000A
Cited
GB166258A
Cited
US2322751A
Cited
FR863928A
Cited
US2410538A
Cited
FR864822A
Cited
US2419866A
Cited
GB590177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |