Patent US2958505A successfully refreshed from Google Patents.
US2958505A
Expired / Lapsed
US
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Turbine bucket blades
Assignee: Individual
•
Filing: 1958-11-20
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Granted: 1960-11-01
•
Expires: 1978-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert G Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:50
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/187; B; B21; B21D; B21D53/00; B21D53/78; B23; B23P; B23P15/00; B23P15/04; F01D5/147; F01D5/28; Y; Y02; Y02T; Y02T50/00; Y02T50/60; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336; Y10T29/49339
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB235304A
Cited
DE715421C
Cited
US2774566A
Cited
US2779565A
Cited
US2687278A
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US2699598A
Cited
US2780435A
Cited
US2866618A
Cited
GB774499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |