US3481222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planetary gear reducer
Assignee: Marion Power Shovel Co Inc
•
Filing: 1968-06-07
•
Granted: 1969-12-02
•
Expires: 1988-06-07
Abstract
No abstract record available.
Inventors
- 👤 George B Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/02004; F16H1/00; F16H1/28; F16H1/46; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19628
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1223259A
Cited
US2091637A
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US2759374A
Cited
US2944444A
Cited
US3258995A
Cited
US3307433A
Cited
US3279280A
Cited
US3401580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |