US3140221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unsaturated polyester resin formed from an aromatic glycol, interpolymers thereof, and articles formed therefrom
Assignee: Nopco Chemical Co
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Filing: 1958-08-07
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Granted: 1964-07-07
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 Liebling Raymond
- 👤 Steckler Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:17
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31616; Y10T428/3162
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
18 words
AN ETHYLENICALLY UNSATURATED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OF AN AROMATIC GLYCOL HAVING THE FORMULA
Claim 2
Dependent Claim
18 words
AN ETHYLENICALLY UNSATURATED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OF AN AROMATIC GLYCOL HAVING THE FORMULA
Claim 3
Dependent Claim
30 words
AN INTERPOLYMER OF (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OF (A) FROM ABOUT 1.0 TO 1.04 MOLS OF AN AROMATIC GLYCOL HAVING THE FORMULA
Claim 4
Dependent Claim
30 words
AN INTERPOLYMER OF (1) AN ETHYLENICALLY UNSATURATED POLYESTER RESIN CONSISTING ESSENTIALLY OF THE REACTION PRODUCT OF (A) FROM ABOUT 1.0 TO 1.04 MOLS OF AN AROMATIC GLYCOL HAVING THE FORMULA
Claim 5
Dependent Claim
14 words
A LAMINATED ARTICLE COMPRISING FIBERGLASS LAMINAE BONDED TOGETHER WITH THE INTERPOLYMER OF CLAIM 14.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |