US2742942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blend of polychloroprene and acrylic synthetic rubbers for adhering acrylic rubbers to other materials
Assignee: Goodrich Corp
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Filing: 1952-05-29
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Granted: 1956-04-24
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Expires: 1972-05-29
Abstract
No abstract record available.
Inventors
- 👤 Harold P Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:15
CPC Classifications
B; B60; B60C; B60C13/00; B60C13/04; Y; Y10; Y10S; Y10S152/00; Y10S152/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A VULCANIZED PNEUMATIC TIRE HAVING IN COMBINATION A CARCASS COMPRISING A SULFUR-VULCANIZED RUBBERY MATERIAL AND A SIDE-WALL SECURED THERETO, SAID SIDEWALL COMPRISING A RUBBERY ACRYLIC ACID ESTER POLYMER AND A BONDING LAYER INTERPOSED BETWEEN SAID SIDE-WALL AND SAID CARCASS, SAID BONDING LAYER COMPRISING A HOMOGENEOUS MIXTURE CONTAINING AS ESSENTIAL ADHESIVE INGREDIENTS FROM ABOUT 70 TO 50 PARTS BY WEIGHT OF A RUBBERY POLYMER OF A CHLOROBUTADIENE-1,3 AND FROM 30 TO 50 PARTS BY WEIGHT OF A RUBBERY ACRYLIC ACID ESTER POLYMER, SAID ACRYLIC ACID ESTER POLYMER IN SAID SIDEWALL AND IN SAID BONDING LAYER
Claim 2
Dependent Claim
94 words
A VULCANIZED PNEUMATIC TIRE HAVING IN COMBINATION A CARCASS COMPRISING A SULFUR-VULCANIZED RUBBERY MATERIAL AND A SIDE-WALL SECURED THERETO, SAID SIDEWALL COMPRISING A RUBBERY ACRYLIC ACID ESTER POLYMER AND A BONDING LAYER INTERPOSED BETWEEN SAID SIDE-WALL AND SAID CARCASS, SAID BONDING LAYER COMPRISING A HOMOGENEOUS MIXTURE CONTAINING AS ESSENTIAL ADHESIVE INGREDIENTS FROM ABOUT 70 TO 50 PARTS BY WEIGHT OF A RUBBERY POLYMER OF A CHLOROBUTADIENE-1,3 AND FROM 30 TO 50 PARTS BY WEIGHT OF A RUBBERY ACRYLIC ACID ESTER POLYMER, SAID ACRYLIC ACID ESTER POLYMER IN SAID SIDEWALL AND IN SAID BONDING LAYER
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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) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |