US3266853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Track link units
Assignee: Diehl Verwaltungs Stiftung
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Filing: 1964-07-28
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Granted: 1966-08-16
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Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Korner Otto
- 👤 Brentzek Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:22
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/26; B62D55/28; B62D55/275
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
140 words
A TRACK LINK UNIT COMPRISING: A TRACK LINK HAVING GROOVES AT OPPOSITE SIDES THEREOF AND ALSO BEING PROVIDED WITH STOP MEANS: A GROUND ENGAGING MEMBER INCLUDING A PLATE-SHAPED SLIDING PART ARRANGED IN SAID GROOVES OF SAID LINK AND IN ABUTMENT WITH SAID STOP MEANS, SAID PLATE-SHAPED SLIDING PART AND SAID TRACK LINK BEING PROVIDED WITH INTERLOCKING MEANS INTERLOCKING SAID GROUND ENGAGING MEMBER AND SAID TRACK LINK, SAID INTERLOCKING MEANS BEING ACCESSIBLE FROM THE OUTSIDE TO MAKE SAID INTERLOCKING MEANS INEFFECTIVE TO THEREBY PERMIT DISENGAGEMENT OF SAID GROUND ENGAGING MEMBER AND SAID TRACK LINK FROM EACH OTHER, SAID INTERLOCKING MEANS INCLUDING A SPRING CATCH INTEGRAL WITH SAID PLATESHAPED SLIDING PART AND FORMING A RESILIENT TONGUE-SHAPED SEGMENT THEREOF SLIGHTLY BENT TOWARD SAID TRACK LINK, SAID INTERLOCKING MEANS ALSO COMPRISING MEANS FORMING PART OF SAID TRACK LINK FOR LOCKINGLY RECEIVING SAID SPRING CATCH.
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) | 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 |