US2917347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion for endless tracks
Assignee: Bayer Corp
•
Filing: 1958-02-21
•
Granted: 1959-12-15
•
Expires: 1978-02-21
Abstract
No abstract record available.
Inventors
- 👤 Reuter Franz Gottfried
- 👤 Ulderup Jurgen
- 👤 Kniepkamp Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:53
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/26; B62D55/275
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A LINK FOR AN ENDLESS TRACK HAVING A TREAD AND A RUBBER-LIKE SUBSTANTIALLY NON-POROUS POLYURETHANE PLASTIC CUSHION SECURED TO SAID TREAD, A METALLIC SUPPORT IMBEDDED IN SAID CUSHION HAVING A PLURALITY OF PERFORATIONS THEREIN THROUGH WHICH SAID POLYURETHANE EXTENDS, SAID CUSHION BEING FASTENED TO SAID TREAD BY MEANS OF A DOVE-TAILED JOINT.
Claim 2
Dependent Claim
52 words
A LINK FOR AN ENDLESS TRACK HAVING A TREAD AND A RUBBER-LIKE SUBSTANTIALLY NON-POROUS POLYURETHANE PLASTIC CUSHION SECURED TO SAID TREAD, A METALLIC SUPPORT IMBEDDED IN SAID CUSHION HAVING A PLURALITY OF PERFORATIONS THEREIN THROUGH WHICH SAID POLYURETHANE EXTENDS, SAID CUSHION BEING FASTENED TO SAID TREAD BY MEANS OF A DOVE-TAILED JOINT.
References Cited (Backward Citations)
US627274A
Cited
US1370663A
Cited
US1863481A
Cited
US1886839A
Cited
US2332313A
Cited
US2755146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |