US3404901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means for towing vehicles
Assignee: Maschinenfabrik Rau OHG
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Filing: 1966-07-18
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Granted: 1968-10-08
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Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Rau Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:22
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/002; A01B59/004; A01B59/006; A01B59/008; A01B59/06; A01B59/066; A01B59/067; B; B60; B60D; B60D1/00; B60D1/14; B60D1/145; B60D1/155
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) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |