US3477250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor tooth spline for rotating gear mechanisms
Assignee: Ford Motor Co
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Filing: 1968-06-20
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Granted: 1969-11-11
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Expires: 1988-06-20
Abstract
No abstract record available.
Inventors
- 👤 Henry L Gregorich
- 👤 Clevoe D Jones
- 👤 Marion E Phelps
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:54
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/02; F16D23/04; F16D23/06; F16D2023/0656; F16D2023/0662; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7026; Y10T403/7035
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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |