Patent US3475556A successfully refreshed from Google Patents.
Patent US2947509A successfully refreshed from Google Patents.
US2947509A
Expired / Lapsed
US
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Molded rubber dashpot
Assignee: Holley Performance Products Inc
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Filing: 1956-09-17
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Granted: 1960-08-02
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Expires: 1976-09-17
Abstract
No abstract record available.
Inventors
- 👤 Marion L Smitley
- 👤 Melvin F Sterner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/02; F16F9/04; F16F9/0472; F16F9/0481; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4392; F02M2700/4395; Y; Y10; Y10S; Y10S261/00; Y10S261/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |