Patent US3472378A successfully refreshed from Google Patents.
US3472378A
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US
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Assignee: Case LLC
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Filing: 1968-01-22
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Granted: 1969-10-14
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Amos O Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:29
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/10; F16C1/12; A; A01; A01F; A01F12/00; A01F12/44; A01F12/446; A01F12/448; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/2042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US698258A
Cited
US1462804A
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US2195400A
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US2253296A
Cited
US2531740A
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US2670845A
Cited
US2879890A
Cited
US3021009A
Cited
US3146631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |