US2824467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing structure for viscous crankshaft dampers
Assignee: Houdaille Industries Inc
•
Filing: 1952-09-27
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Granted: 1958-02-25
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Expires: 1972-09-27
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:57
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/16; F16F15/167; F16F15/173; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2121; Y10T74/2122; Y10T74/2126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE280574C
Cited
US1729026A
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GB305527A
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DE542112C
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GB506970A
Cited
US2205445A
Cited
US2514136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |