Patent US3091623A successfully refreshed from Google Patents.
US3091623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of isocyanato esters and alcohols
Assignee: Eastman Kodak Co
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Filing: 1961-08-14
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Granted: 1963-05-28
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Expires: 1981-08-14
Abstract
No abstract record available.
Inventors
- 👤 William J Knox Jr
- 👤 Charles V Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/38; G03C1/04; G03C1/043; G03C1/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOUND ADAPTED FOR USE AS A COATING AID HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A COMPOUND ADAPTED FOR USE AS A COATING AID HAVING THE FORMULA:
References Cited (Backward Citations)
US2719141A
Cited
US2781373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |