US3157564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin-rubber bond and method therefor
Assignee: Phillips Petroleum Co
•
Filing: 1961-06-15
•
Granted: 1964-11-17
•
Expires: 1981-06-15
Abstract
No abstract record available.
Inventors
- 👤 John H Tucker
- 👤 Charles R Wilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:09
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31837; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
AN ARTICLE OF MANUFACTURE COMPRISING A LAYER OF POLYETHYLENE AND AN ADJACENT LAYER OF A VULCANIZABLE 1,3BUTADIENE-STYRENE RUBBER COMPOSITION BONDED TOGETHER BY AN INTERPOSED LAYER CONSISTING ESSENTIALLY OF A SULFUR MATERIAL SELECTED FROM THE GROUP CONSISTING OF FREE SULFUR AND SULFUR-YIELDING MATERIALS.
References Cited (Backward Citations)
US1349911A
Cited
US2206441A
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US2711985A
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US2873227A
Cited
US2980569A
Cited
US3024813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |