Patent US3235315A successfully refreshed from Google Patents.
US3235315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track link assembly seal
Assignee: Individual
•
Filing: 1964-06-03
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Granted: 1966-02-15
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Expires: 1984-06-03
Abstract
No abstract record available.
Inventors
- 👤 Walter H Schnacke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:19
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/088; B62D55/0887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A TRACK LINK ASSEMBLY COMPRISING FIRST AND SECOND PIVOTABLE LINK MEMBERS, SAID FIRST LINK MEMBER BEING SECURED TO A TUBULAR BUSHING ADJACENT AN END PORTION THEREOF, A PIN PASSED THROUGH SAID BUSHING AND SECURED TO SAID SECOND LINK MEMBER, AN AXIAL RECESS IN SAID END PORTION, A RECESS IN SAID SECOND LINK MEMBER, THE END PORTION BEING RECEIVED AND HOUSED IN THE RECESS OF THE SECOND LINK MEMBER, A RESILIENT SEAL POSITIONED WHOLLY WITHIN SAID AXIAL RECESS, AND AT LEAST ANOTHER SEAL BETWEEN OPPOSING AXIAL FACES OF SAID END PORTION AND THE RECESS IN SAID SECOND LINK MEMBER, SAID PIN HAVING A CIRCUMFERENTIAL GROOVE, AND SAID RESILIENT SEAL BEING POSITIONED WITHIN SAID GROOVE.
Claim 2
Dependent Claim
113 words
A TRACK LINK ASSEMBLY COMPRISING FIRST AND SECOND PIVOTABLE LINK MEMBERS, SAID FIRST LINK MEMBER BEING SECURED TO A TUBULAR BUSHING ADJACENT AN END PORTION THEREOF, A PIN PASSED THROUGH SAID BUSHING AND SECURED TO SAID SECOND LINK MEMBER, AN AXIAL RECESS IN SAID END PORTION, A RECESS IN SAID SECOND LINK MEMBER, THE END PORTION BEING RECEIVED AND HOUSED IN THE RECESS OF THE SECOND LINK MEMBER, A RESILIENT SEAL POSITIONED WHOLLY WITHIN SAID AXIAL RECESS, AND AT LEAST ANOTHER SEAL BETWEEN OPPOSING AXIAL FACES OF SAID END PORTION AND THE RECESS IN SAID SECOND LINK MEMBER, SAID PIN HAVING A CIRCUMFERENTIAL GROOVE, AND SAID RESILIENT SEAL BEING POSITIONED WITHIN SAID GROOVE.
References Cited (Backward Citations)
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |