US2657730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tire and method of making same
Assignee: Uniroyal Inc
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Filing: 1951-07-31
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Granted: 1953-11-03
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Expires: 1971-07-31
Abstract
No abstract record available.
Inventors
- 👤 George R Cuthbertson
- 👤 Howard M Buckwalter
- 👤 Arthur C Danielson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:32
CPC Classifications
B; B60; B60C; B60C1/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
30 words
A PHEUMATIC TIRE HAVING VULCANIZED RUBBER SIDE WALL IN WHICH A NICKEL DIALKYL DITHIOCARBAMATE HAS BEEN INCORPORATED PRIOR TO VULCANIZATION, AND A VULCANIZED RUBBER CARCASS CONTAINING A PRIMARY ARYL DIAMINE.
Claim 2
Dependent Claim
30 words
A PHEUMATIC TIRE HAVING VULCANIZED RUBBER SIDE WALL IN WHICH A NICKEL DIALKYL DITHIOCARBAMATE HAS BEEN INCORPORATED PRIOR TO VULCANIZATION, AND A VULCANIZED RUBBER CARCASS CONTAINING A PRIMARY ARYL DIAMINE.
Claim 3
Independent Claim
77 words
A METHOD OF MAKING A PHEUMATIC TIRE WHICH COMPRISES INCORPORATING A NICKEL DIALKYL DITHIOCARBAMATE IN A RAW VULCANIZABLE RUBBER SIDE WALL STOCK, ASSEMBLING THE STOCK IN A PNEUMATIC TIRE CASING INCLUDING A VULCANIZABLE RUBBER CARCASS STOCK, VULCANIZING THE ASSRMBLY, AND INCORPORATING A PRIMARY ARYL DIAMINE IN THE CARCASS OF THE VULCANIZED ASSEMBLY BY APPLYING THE SAID DIAMINE TO THE EXTERIOR SURFACE OF THE BAND PLY OF THE VULCANIZED CARCASS, WHEREBY THE SAID DIAMINE DIFFUSES INTO THE CARCASS.
Claim 4
Independent Claim
77 words
A METHOD OF MAKING A PHEUMATIC TIRE WHICH COMPRISES INCORPORATING A NICKEL DIALKYL DITHIOCARBAMATE IN A RAW VULCANIZABLE RUBBER SIDE WALL STOCK, ASSEMBLING THE STOCK IN A PNEUMATIC TIRE CASING INCLUDING A VULCANIZABLE RUBBER CARCASS STOCK, VULCANIZING THE ASSRMBLY, AND INCORPORATING A PRIMARY ARYL DIAMINE IN THE CARCASS OF THE VULCANIZED ASSEMBLY BY APPLYING THE SAID DIAMINE TO THE EXTERIOR SURFACE OF THE BAND PLY OF THE VULCANIZED CARCASS, WHEREBY THE SAID DIAMINE DIFFUSES INTO THE CARCASS.
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) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |