US3158353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blade locking device for conical broached discs
Assignee: Pratt and Whitney Canada Corp
•
Filing: 1962-07-16
•
Granted: 1964-11-24
•
Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander L Reid
- 👤 Trevor L Salt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:21
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/32; F01D5/323; F05; F05D; F05D2250/00; F05D2250/20; F05D2250/23; F05D2250/232; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191016889A
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GB677142A
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US2753149A
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US2976014A
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US2823894A
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US2807932A
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DE950557C
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US2965355A
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US3034763A
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US3094309A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |