US3007555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-cooled frictional mechanism
Assignee: ERLING D SEDERGREN
•
Filing: 1958-12-22
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Granted: 1961-11-07
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Eames James Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:05
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/82; F16D65/833; F16D25/00; F16D25/12; F16D25/123; F16D51/00; F16D51/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1131810A
Cited
US1536558A
Cited
FR1017181A
Cited
US2517973A
Cited
US2468388A
Cited
US2909258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |