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Patent US3034763A successfully refreshed from Google Patents.
US3034763A
Expired / Lapsed
US
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Rotor construction
Assignee: RTX Corp
•
Filing: 1959-08-20
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Granted: 1962-05-15
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Expires: 1979-08-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Rowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:25
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2656147A
Cited
GB669979A
Cited
US2683583A
Cited
US2751189A
Cited
US2910268A
Cited
US2807434A
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 |