Patent US3473679A successfully refreshed from Google Patents.
US3473679A
Expired / Lapsed
US
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Universal vehicle for use as multi-purpose agricultural working machine
Assignee: Individual
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Filing: 1965-08-13
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Granted: 1969-10-21
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Expires: 1985-08-13
Abstract
No abstract record available.
Inventors
- 👤 Ernst Weichel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:09
CPC Classifications
B; B62; B62D; B62D53/00; B62D53/04; B62D53/06; B62D53/061; B62D53/062; A; A01; A01D; A01D90/00; A01D90/12; B60; B60P; B60P1/00; B60P1/54; B60P1/5404; B60P1/5423; B60P1/5433; B60P1/64; B60P3/00; B60P3/22; B60P3/2205; B60P3/42; B62D63/00; B62D63/06; B62D63/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |