US3112002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractors
Assignee: C Van der Lely NV
•
Filing: 1961-03-01
•
Granted: 1963-11-26
•
Expires: 1981-03-01
Abstract
No abstract record available.
Inventors
- 👤 Lely Cornelis Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:05
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00407; B60H1/00378; B60J; B60J7/00; B60J7/08; B60J7/10; B60J7/102; B60J7/104; B60N; B60N2/00; B60N2/24; B60N2/38; B62; B62D; B62D33/00; B62D33/06; B62D33/0617; B62D33/0625; Y; Y10; Y10S; Y10S454/00; Y10S454/907; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
IN COMBINATION WITH A TRACTOR HAVING A DRIVER''S SEAT, A SYSTEM FOR DISTRIBUTING AIR WHICH COMPRISES A BLOWER FOR MOVING AIR THERETHROUGH, AN AIR DUCT LEADING FROM SAID BLOWER TO THE REGION OF SAID DRIVER''S SEAT, A HOOD INTERCONNECTED TO AND EXTENDING UPWARDLY IN RELATION TO SAID DRIVER''S SEAT, SAID HOOD INCLUDING A ROOF PORTION EXTENDING OVER SAID DRIVER''S SEAT, SAID HOOD BEING OPEN IN ITS FORWARD ASPECT AND AIR DISCHARGE MEANS IN THE FORWARD PART OF SAID ROOF PORTION CONNECTED TO SAID AIR DUCT WHEREBY AIR IS CONVEYED BY SAID BLOWER THROUGH SAID AIR DUCT OUT OF SAID AIR DISCHARGE MEANS TO FORM A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |