US3345113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless tracks, belts or the like
Assignee: Go Tract Ltd
•
Filing: 1965-10-15
•
Granted: 1967-10-03
•
Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Siber Erwin-Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:29
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/20; B62D55/205; B62D55/215; B62D55/24; B62D55/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ENDLESS TRACK ELEMENT COMPRISNG A SHEET OF RESILIENT MATERIAL, A PLURALITY OF STRANDED CABLES WITHIN AND EXTENDING THROUGH SAID SHEET AND CAPABLE OF RELATIVE SLIDING MOVEMENT WITH RESPECT THERETO, A QUANTITY OF LUBRICANT SURROUNDING SAID CABLES AND PROVIDING A LUBRICATING FILM BETWEEN SAID CABLES AND THE MATERIAL OF SAID SHEET, SAID LUBRICATING FILM ALSO BEING BETWEEN THE STRANDS OF SAID CABLES, AND MEANS FOR MAINTAINING THE LUBRICANT IN CONTACT WITH THE INDIVIDUAL STRANDS OF EACH CABLE, MOVEMENT OF THE CABLES IN SAID SHEET AND OF THE STRANDS OF EACH CABLE OVER EACH OTHER DURING FLEXING OF THE SAID SHEET BEING ASSISTED AND ABRASION THEREOF BEING REDUCED BY THE SAID LUBRICANT.
Claim 2
Dependent Claim
111 words
AN ENDLESS TRACK ELEMENT COMPRISNG A SHEET OF RESILIENT MATERIAL, A PLURALITY OF STRANDED CABLES WITHIN AND EXTENDING THROUGH SAID SHEET AND CAPABLE OF RELATIVE SLIDING MOVEMENT WITH RESPECT THERETO, A QUANTITY OF LUBRICANT SURROUNDING SAID CABLES AND PROVIDING A LUBRICATING FILM BETWEEN SAID CABLES AND THE MATERIAL OF SAID SHEET, SAID LUBRICATING FILM ALSO BEING BETWEEN THE STRANDS OF SAID CABLES, AND MEANS FOR MAINTAINING THE LUBRICANT IN CONTACT WITH THE INDIVIDUAL STRANDS OF EACH CABLE, MOVEMENT OF THE CABLES IN SAID SHEET AND OF THE STRANDS OF EACH CABLE OVER EACH OTHER DURING FLEXING OF THE SAID SHEET BEING ASSISTED AND ABRASION THEREOF BEING REDUCED BY THE SAID LUBRICANT.
References Cited (Backward Citations)
US2025999A
Cited
US2430500A
Cited
US2444583A
Cited
US2516115A
Cited
US2487813A
Cited
US2815988A
Cited
US3016756A
Cited
US3063758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |