US3380882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel rubber coating composition
Assignee: Sunoco Inc
•
Filing: 1964-08-17
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Granted: 1968-04-30
•
Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Jackson S Boyer
- 👤 Zaayenga Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
AN ARTICLE OF MANUFACTURE COMPRISING A VULCANIZEDD RUBBER ARTICLE EXCLUDING NEOPRENE HAVING FUSED THERETO A THIN SURFACE COATING CONSISTING ESSENTIALLY OF 5 TO 70 PARTS OF HYDROCARBON WAX MELTING IN THE RANGE OF 100 TO 165* F. AND 30 TO 95 PARTS OF CRYSTALLINE POLYPROPYLENE MELTING IN THE RANGE OF 300 TO 340*F. AND HAVING A DENSITY IN THE RANGE OF 0.86 TO 0.91 GRAM PER CUBIC CENTIMETER.
Claim 2
Dependent Claim
68 words
AN ARTICLE OF MANUFACTURE COMPRISING A VULCANIZEDD RUBBER ARTICLE EXCLUDING NEOPRENE HAVING FUSED THERETO A THIN SURFACE COATING CONSISTING ESSENTIALLY OF 5 TO 70 PARTS OF HYDROCARBON WAX MELTING IN THE RANGE OF 100 TO 165* F. AND 30 TO 95 PARTS OF CRYSTALLINE POLYPROPYLENE MELTING IN THE RANGE OF 300 TO 340*F. AND HAVING A DENSITY IN THE RANGE OF 0.86 TO 0.91 GRAM PER CUBIC CENTIMETER.
References Cited (Backward Citations)
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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) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |