Patent US3477314A successfully refreshed from Google Patents.
US3477314A
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US
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Change speed planetary transmission
Assignee: Massey Ferguson Inc
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Filing: 1967-11-28
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Granted: 1969-11-11
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Expires: 1987-11-28
Abstract
No abstract record available.
Inventors
- 👤 Gerald L Rutkowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:14
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; F16H2200/00; F16H2200/003; F16H2200/0039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US753785A
Cited
US2137778A
Cited
US2592910A
Cited
US2601151A
Cited
US2787919A
Cited
US2854108A
Cited
GB844901A
Cited
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 |