US2796140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powered tractor with front and rear wheel steering controls
Assignee: Heinrich Lanz AG
•
Filing: 1952-05-16
•
Granted: 1957-06-18
•
Expires: 1972-05-16
Abstract
No abstract record available.
Inventors
- 👤 Knolle Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:53
CPC Classifications
A; A01; A01B; A01B51/00; A01B51/02; A01B51/026; B; B62; B62D; B62D49/00; B62D49/06; B62D49/065; B62D49/0692; B62D9/00; Y; Y10; Y10S; Y10S180/00; Y10S180/90; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014; Y10T74/20207; Y10T74/20213; Y10T74/20576; Y10T74/20582; Y10T74/20588; Y10T74/20594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1048770A
Cited
US1104294A
Cited
GB140399A
Cited
US1214264A
Cited
US1415356A
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US1408895A
Cited
US1405159A
Cited
US1461598A
Cited
US1563863A
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US1681885A
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US1687457A
Cited
US1786060A
Cited
US1760749A
Cited
US2138239A
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US2323817A
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GB615247A
Cited
US2449159A
Cited
US2616348A
Cited
US2453069A
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US2630746A
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US2564034A
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US2580480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |