US3384937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Length-changeable link for tractorimplement hitches
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1966-11-17
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Granted: 1968-05-28
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Expires: 1986-11-17
Abstract
No abstract record available.
Inventors
- 👤 Muncke Ludwig
- 👤 Heidjann Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:00
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/14; B60D1/145; B60D1/155; A; A01; A01B; A01B59/00; A01B59/002; A01B59/004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2733935A
Cited
FR430391A
Cited
US1201175A
Cited
US1654939A
Cited
US2451698A
Cited
US2619390A
Cited
US2667366A
Cited
US2760707A
Cited
GB845264A
Cited
US3053552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |