Patent US2309339A successfully refreshed from Google Patents.
US3424014A
Expired / Lapsed
US
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Crank arm assembly
Assignee: Case LLC
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Filing: 1967-03-24
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Granted: 1969-01-28
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Expires: 1987-03-24
Abstract
No abstract record available.
Inventors
- 👤 Boliver T Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:08
CPC Classifications
F; F16; F16C; F16C3/00; F16C3/04; F16C3/22; A; A01; A01F; A01F15/00; A01F15/08; A01F15/0841; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32951; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2750811A
Cited
US694909A
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US2318903A
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US2957407A
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US3134266A
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US3210108A
Cited
US3227002A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |