US3190392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding ladder for combines
Assignee: AGCO Ltd
•
Filing: 1963-01-31
•
Granted: 1965-06-22
•
Expires: 1983-01-31
Abstract
No abstract record available.
Inventors
- 👤 Ashton Robert
- 👤 Weber Wilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:12
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/1261
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A COMBINE HAVING AN ELEVATED OPERATION''S PLATFORM WITH A LADDER EXTENDING DOWNWARDLY FROM AN ACCESS OPENING THROUGH THE PLANE OF SAID PLATFORM, THE IMPROVEMENT COMPRISING MEANS PIVOTING SAID LADDER ALONG AN INCLINED AXIS EXTENDING THROUGH POINTS ABOVE APPROXIMATELY IN THE PLANE OF SAID PLATFORM ENABLING THE LADDER TO FOLD UPWARDLY ALONGSIDE THE PLATFORM AND ACROSS SAID OPENING.
Claim 2
Dependent Claim
58 words
IN A COMBINE HAVING AN ELEVATED OPERATION''S PLATFORM WITH A LADDER EXTENDING DOWNWARDLY FROM AN ACCESS OPENING THROUGH THE PLANE OF SAID PLATFORM, THE IMPROVEMENT COMPRISING MEANS PIVOTING SAID LADDER ALONG AN INCLINED AXIS EXTENDING THROUGH POINTS ABOVE APPROXIMATELY IN THE PLANE OF SAID PLATFORM ENABLING THE LADDER TO FOLD UPWARDLY ALONGSIDE THE PLATFORM AND ACROSS SAID OPENING.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |