Patent US2965253A successfully refreshed from Google Patents.
US2965253A
Expired / Lapsed
US
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Scoop loader attachment
Assignee: Koehring Co
•
Filing: 1957-07-30
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Granted: 1960-12-20
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Expires: 1977-07-30
Abstract
No abstract record available.
Inventors
- 👤 John W Poulter
- 👤 Kenneth V Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:50
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/42; E02F3/427; E02F3/30; E02F3/308
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2718312A
Cited
US2789712A
Cited
US2776060A
Cited
US2853201A
Cited
US2820555A
Cited
US2812872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |