US3350331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyester resin formed from an aromatic glycol and articles coated therewith
Assignee: Nopco Chemical Co
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Filing: 1961-11-03
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Granted: 1967-10-31
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Expires: 1981-11-03
Abstract
No abstract record available.
Inventors
- 👤 Liebling Raymond
- 👤 Steckler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:45
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08G63/66; C08G63/668; C08G63/672; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31786; Y10T428/3179; Y10T428/31794
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
AN ALKYD RESIN CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OF APPROXIMATELY STOICHIOMETRIC QUANTITIES OF (1) A HYDROXYL SUBSTITUENT COMPRISING (A) A GLYCOL COMPONENT COMPRISING AN AROMATIC GLYCOL HAVING THE 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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |