US3268463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strippable coatings comprising ethylene-vinyl acetate copolymer, asphalt and releaseagent
Assignee: ConocoPhillips Co
•
Filing: 1963-07-31
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Granted: 1966-08-23
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Homer C Mcaninch
- 👤 Richard F Lippoldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:22
CPC Classifications
C; C09; C09D; C09D195/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF 100 PARTS BY WEIGHT PETROLEUM ASPHALT, 1 TO 50 PARTS BY WEIGHT ETHYLENE-VINLYL ACETATE COPOLYMER HAVING AN ETHYLENE-TO-VINYL ACETATE RATIO BETWEEN ABOUT 60:40 AND ABOUT 90:10, AND A MELT INDES OF 3 TO 300, AND 2 TO 10 PARTS BY WEIGHT OF A FATTY ACID PARTIAL ESTER OF A POLYHYDRIC ALCOHOL.
Claim 2
Dependent Claim
59 words
A COMPOSITION OF MATTER COMPRISING A MIXTURE OF 100 PARTS BY WEIGHT PETROLEUM ASPHALT, 1 TO 50 PARTS BY WEIGHT ETHYLENE-VINLYL ACETATE COPOLYMER HAVING AN ETHYLENE-TO-VINYL ACETATE RATIO BETWEEN ABOUT 60:40 AND ABOUT 90:10, AND A MELT INDES OF 3 TO 300, AND 2 TO 10 PARTS BY WEIGHT OF A FATTY ACID PARTIAL ESTER OF A POLYHYDRIC ALCOHOL.
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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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |