US2970491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing and speed reduction mechanism
Assignee: Dana Inc
•
Filing: 1959-07-02
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Granted: 1961-02-07
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Josef A Bertsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:31
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/08; F16C35/12; F01; F01D; F01D15/00; F01D15/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679
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) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |