US3429949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyesters prepared from alpha,alpha'-dimethyl muconic acids
Assignee: Sunoco Inc
•
Filing: 1966-08-25
•
Granted: 1969-02-25
•
Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Gary L Driscoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:36
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; C08G63/02; C08G63/12; C08G63/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2857303A
Cited
US2957837A
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US3160679A
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US3236787A
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US3227780A
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US3345339A
Cited
US3305514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |