US2970656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Harrow
Assignee: Ford Motor Co
•
Filing: 1958-03-17
•
Granted: 1961-02-07
•
Expires: 1978-03-17
Abstract
No abstract record available.
Inventors
- 👤 Dwight F Kampe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:33
CPC Classifications
A; A01; A01B; A01B21/00; A01B21/08; A01B21/083; E; E21; E21B; E21B23/00; E21B23/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2469622A
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US2708333A
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US2717479A
Cited
US2760323A
Cited
US2704018A
Cited
US2767538A
Cited
US2765610A
Cited
US2738634A
Cited
US2765609A
Cited
US2797542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |