Patent US3056579A successfully refreshed from Google Patents.
US3056579A
Expired / Lapsed
US
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Rotor construction
Assignee: General Electric Co
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Filing: 1959-04-13
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Granted: 1962-10-02
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Expires: 1979-04-13
Abstract
No abstract record available.
Inventors
- 👤 Bobo Melvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:21
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/02; F01D5/08; F01D5/081; F01D5/084; F01D11/00; F01D11/001; F01D5/06; F01D5/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2869820A
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US2749086A
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US2860851A
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FR1183718A
Cited
US2973938A
Cited
US2996280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-01 | 1966-04-02 | 1966-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-01 | 1970-04-02 | 1970-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-01 | 1974-04-02 | 1974-10-02 | $7700.00 | Window Closed / Lapsed |