Patent US3342660A successfully refreshed from Google Patents.
US3342660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonding of rubber to metal
Assignee: Dunlop Rubber Co Ltd
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Filing: 1963-10-10
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Granted: 1967-09-19
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 Angerer Gerd
- 👤 Klotzer Erhard
- 👤 Kern Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:44
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08L; C08L21/00; C08J2321/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF BONDING A RUBBER COMPOSITION TO A METAL SURFACE WHICH COMPRISES VULCANIZING A VULCANIZABLE RUBBER COMPOSITION CONTAINING A MINOR PROPORTION OF AN EPOXIDISED RUBBER POLYMER, SAID COMPOSITION BEING IN CONTACT WITH SAID METAL SURFACE DURING THE VULCANIZATION, THE AMOUNT OF SAID EPOXIDIZED RUBBER POLYMER BEING SUFFICIENT TO PROVIDE THE VULCANIZABLE RUBBER COMPOSITION WITH AN EPOXIDE OXYGEN CONTENT OF ABOUT 0.1 TO 1.3% BY WEIGHT BASED ON THE TOTAL RUBBER CONTENT OF SAID VULCANIZABLE RUBBER COMPOSITION.
Claim 2
Independent Claim
77 words
A METHOD OF BONDING A RUBBER COMPOSITION TO A METAL SURFACE WHICH COMPRISES VULCANIZING A VULCANIZABLE RUBBER COMPOSITION CONTAINING A MINOR PROPORTION OF AN EPOXIDISED RUBBER POLYMER, SAID COMPOSITION BEING IN CONTACT WITH SAID METAL SURFACE DURING THE VULCANIZATION, THE AMOUNT OF SAID EPOXIDIZED RUBBER POLYMER BEING SUFFICIENT TO PROVIDE THE VULCANIZABLE RUBBER COMPOSITION WITH AN EPOXIDE OXYGEN CONTENT OF ABOUT 0.1 TO 1.3% BY WEIGHT BASED ON THE TOTAL RUBBER CONTENT OF SAID VULCANIZABLE RUBBER COMPOSITION.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |