US2953550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copolymers of vinyl chloride and alkenyl esters of 3, 4-epoxycyclohexane-1, 1-dimethanol
Assignee: Union Carbide Corp
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Filing: 1957-12-31
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Granted: 1960-09-20
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Expires: 1977-12-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick C Frostick
- 👤 Phillips Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:13
CPC Classifications
C; C08; C08F; C08F214/00; C08F214/02; C08F214/04; C08F214/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
13 words
COPOLYMERS AL AKENYL ESTERS OF 3,4-EPOXYCYCLOHEXANE-1,1-DIMETHANOLS WHICH ARE CHARATERIZED BY THE GENERAL FORMULA
References Cited (Backward Citations)
US2883398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |