US3034293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster and sustainer thrust devices
Assignee: Individual
•
Filing: 1959-04-06
•
Granted: 1962-05-15
•
Expires: 1979-04-06
Abstract
No abstract record available.
Inventors
- 👤 De Lacy F Ferris
- 👤 Youngquist Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:12
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/74; F02K9/76; F02K9/766; Y; Y10; Y10T; Y10T137/00; Y10T137/1624
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535190A
Cited
US2402826A
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US2347204A
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US2408111A
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US2531761A
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US2605608A
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US2508420A
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US2671312A
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GB719946A
Cited
US2814929A
Cited
US2678055A
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US2880576A
Cited
US2850976A
Cited
US2919543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |