US3266816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draft assembly for tandem tractors
Assignee: Caterpillar Inc
•
Filing: 1964-10-06
•
Granted: 1966-08-16
•
Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert A Peterson
- 👤 Donald E Sunderlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:53
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/06; B62D55/065; B62D55/0655; B62D49/00; B62D49/06; B62D49/0621; B62D49/0642; E; E02; E02F; E02F9/00; E02F9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN COMBINATION WITH TRACTORS COUPLED FOR OPERATION IN TANDEM AND HAVING A HITCH CONSISTING OF A BRACKET FIXED TO THE REAR OF ONE TRACTOR, C-FRAME PIVOTED TO THE OTHER TRACTOR AND EXTENDING FORWARDLY THEREOF, AND AN ARTICULATE CONNECTION BETWEEN THE BRACKET AND FRAME; AN IMPLEMENT SECURED TO THE REAR OF SAID OTHER TRACTOR, AND
Claim 2
Dependent Claim
54 words
IN COMBINATION WITH TRACTORS COUPLED FOR OPERATION IN TANDEM AND HAVING A HITCH CONSISTING OF A BRACKET FIXED TO THE REAR OF ONE TRACTOR, C-FRAME PIVOTED TO THE OTHER TRACTOR AND EXTENDING FORWARDLY THEREOF, AND AN ARTICULATE CONNECTION BETWEEN THE BRACKET AND FRAME; AN IMPLEMENT SECURED TO THE REAR OF SAID OTHER TRACTOR, AND
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |