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Patent US2701438A successfully refreshed from Google Patents.
US2701438A
Expired / Lapsed
US
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Plant guiding means for harvesting machines
Assignee: Ford Motor Co
•
Filing: 1952-02-11
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Granted: 1955-02-08
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Expires: 1972-02-11
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Sawyer
- 👤 Robert H Witt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1301006A
Cited
US1886151A
Cited
US1731717A
Cited
US2406058A
Cited
US2491777A
Cited
US2451130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |