Patent US2553320A successfully refreshed from Google Patents.
US2553320A
Expired / Lapsed
US
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Pusher attachment for tractors
Assignee: LA PLANT-CHOATE MANUFACTURING Co Inc
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Filing: 1948-04-02
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Granted: 1951-05-15
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Expires: 1968-04-02
Abstract
No abstract record available.
Inventors
- 👤 Clifford H Huff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:57
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/04; Y; Y10; Y10S; Y10S293/00; Y10S293/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1347448A
Cited
GB252914A
Cited
US1653118A
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US1745733A
Cited
US1977817A
Cited
US2075482A
Cited
US2247664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |