US3567291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless track connecting structure
Assignee: Dahlman Manufacturing and Sales Inc
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Filing: 1969-04-21
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Granted: 1971-03-02
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Expires: 1989-04-21
Abstract
Abstract A SEPARABLE ENDLESS TRACK FOR A MOTOR VEHICLE COMPRISING A BODY PORTION HAVING A PAIR OF OPPOSED FREE END PORTIONS, A PLURALITY OF LINK MEMBERS, SAID FREE END PORTIONS RESPECTIVELY HAVING ALIGNED RECESSED PORTIONS TO RECEIVE SAID LINKS THEREIN THEREBETWEEN AND TO PERMIT SAID FREE END PORTIONS TO ABUT ONE ANOTHER, SAID END PORTIONS AND SAID LINKS RESPECTIVELY BEING APERTURED TRANSVERSELY OF SAID TRACK TO RECEIVE RODS THERETHROUGH TO JOIN SAID END PORTIONS BY MEANS OF SAID LINKS AND SAID LINKS CONFORMING IN THICKNESS TO SAID RECESSED PORTIONS.
Inventors
- 👤 William W Paulson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:12
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |