US3467731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl coating compositions of polyvinyl chloride of 2,2-dimethyl-1,3-propanediol mono(hydroxypivalate)
Assignee: Union Carbide Corp
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Filing: 1967-04-11
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Granted: 1969-09-16
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Expires: 1987-04-11
Abstract
No abstract record available.
Inventors
- 👤 John Wynstra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32; C08G18/3203; C08G18/3221; C08G18/40; C08G18/42; C08G18/4266; C08G18/4288; C09D175/00; C09D175/04; C08L; C08L75/00; C08L75/04; C08L75/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |