US3623304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system for supporting a harvester platform
Assignee: Case LLC
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Filing: 1970-03-30
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Granted: 1971-11-30
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Expires: 1990-03-30
Abstract
Abstract A SELF-PROPELLED WINDOWER HAVING WHEELED FRAME AND A HARVESTER PLATFORM DISPOSED FORWARDLY OF THE FRAME FOR CUTTING ANS SWATHING A CROP. THE PLATFORM IS MOVABLY MOUNTED ON THE FRAME AND IS FLOATABLY SUPPORTED BY A HYDRAULIC SYSTEM ENABLING THE PLATFORM TO MOVE UPWARDLY AND DOWNWARDLY IN ACCORDANCE WITH GROUND UNDULATIONS.
Inventors
- 👤 Herbert W Molzahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:29
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/14; A01D41/145; Y; Y10; Y10S; Y10S56/00; Y10S56/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |