Patent US3409336A successfully refreshed from Google Patents.
US3409336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed track joint for crawler vehicles
Assignee: Caterpillar Inc
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Filing: 1966-12-21
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Granted: 1968-11-05
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Expires: 1986-12-21
Abstract
No abstract record available.
Inventors
- 👤 Floyd S Dadds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:23
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/088; B62D55/0887; B62D55/092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A JOINT FOR COUPLING COMPONENT LINKS OF A TRACK CHAIN WHEREIN ADJACENT ONES OF SAID LINKS HAVE INTERLEAVED HINGE MEMBERS AND WHEREIN A TRACK PIN IS TRANSPIERCED THROUGH SAID INTERLEAVED HINGE MEMBERS TO COUPLE SAID ADJACENT LINKS AND WHEREIN AT LEAST A PAIR OF AXIALLY SPACED ANNULAR SEALS ARE DISPOSED AT SAID HINGE MEMBERS IN COAXIAL RELATIONSHIP TO SAID TRACK PIN, THE COMBINATION COM-
Claim 2
Dependent Claim
65 words
IN A JOINT FOR COUPLING COMPONENT LINKS OF A TRACK CHAIN WHEREIN ADJACENT ONES OF SAID LINKS HAVE INTERLEAVED HINGE MEMBERS AND WHEREIN A TRACK PIN IS TRANSPIERCED THROUGH SAID INTERLEAVED HINGE MEMBERS TO COUPLE SAID ADJACENT LINKS AND WHEREIN AT LEAST A PAIR OF AXIALLY SPACED ANNULAR SEALS ARE DISPOSED AT SAID HINGE MEMBERS IN COAXIAL RELATIONSHIP TO SAID TRACK PIN, THE COMBINATION COM-
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |