US3372148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terephthalic acid-aliphatic acid copolyester resins
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1963-02-12
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Granted: 1968-03-05
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Expires: 1983-02-12
Abstract
No abstract record available.
Inventors
- 👤 Maria V Wiener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/18; C08G63/181; C08G63/183; C09; C09J; C09J7/00; C09J7/10; C08G63/78; C08G63/82; C08G63/85; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31656; Y10T428/31678; Y10T428/31681; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A RADOM ETHYLENE GLYCOL-NEOPENTYL GLYCOL TEREPHTHALATE-ALIPHATIC DICARBOXYLATE COPOLYESTER IN WHICH THE ALIPHATIC DISCARBOXYLATE UNITS ARE DERIVED FROM AN ALIPHATIC DICARBOXYLIC ACID HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
25 words
A RADOM ETHYLENE GLYCOL-NEOPENTYL GLYCOL TEREPHTHALATE-ALIPHATIC DICARBOXYLATE COPOLYESTER IN WHICH THE ALIPHATIC DISCARBOXYLATE UNITS ARE DERIVED FROM AN ALIPHATIC DICARBOXYLIC ACID HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |