US2662069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polyester resins
Assignee: Atlas Powder Co
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Filing: 1950-10-14
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Granted: 1953-12-08
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Expires: 1970-10-14
Abstract
No abstract record available.
Inventors
- 👤 Kass Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:23
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A THERMOPLASTIC, CURABLE RESINOUS ESTERIFICATION PRODUCT OF 1,2-DICARBOXY ETHENE WITH A SUBSTANTIALLY STOICHIOMETRICALLY EQUIVALENT QUANTITY OF A MIXED DIOL CONSISTING OF FROM ABOUT 50 TO ABOUT 90 MOL PER CENT OF A DIOL CONFORMING TO THE FORMULA
Claim 2
Dependent Claim
28 words
THE RESINOUS PRODUCT COMPRISING THE COPOLYMERIZATION PRODUCT OF FROM 90% TO 10% OF A POLYMERIZABLE VINYL COMPOUND AND FROM 10% TO 90% OF THE PRODUCT OF CLAIM 2.
References Cited (Backward Citations)
US2437046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |