US2872200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leveling control for hillside machines
Assignee: Deere and Co
•
Filing: 1955-08-16
•
Granted: 1959-02-03
•
Expires: 1975-08-16
Abstract
No abstract record available.
Inventors
- 👤 Everett R Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:41
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/015; B60G17/019; B60G17/01908; B60G17/01925; B60G21/00; B60G21/10; B60G21/106; B60G9/00; B60G9/02; B60G2200/00; B60G2200/30; B60G2200/32; B60G2200/322; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/128; B60G2204/40; B60G2204/46; B60G2300/00; B60G2300/08; B60G2800/00; B60G2800/01; B60G2800/019; B60G2800/0194; Y; Y10; Y10S; Y10S37/00; Y10S37/907; Y10S56/00; Y10S56/15
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |