US2962259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine blade rings and methods of assembly
Assignee: Napier Turbochargers Ltd
•
Filing: 1957-01-28
•
Granted: 1960-11-29
•
Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Basil T G Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:50
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/24; F01D5/30; F01D5/3007; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE393333C
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US791735A
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US1017467A
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GB244518A
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US1542402A
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DE430429C
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FR685110A
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US2141401A
Cited
FR910154A
Cited
GB587588A
Cited
US2660400A
Cited
US2771267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |