US2969336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidized polyesters from 3-oxatricyclo-(3. 2. 1. 02, 4)octane-6, 7-dicarboxylic acid
Assignee: Union Carbide Corp
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Filing: 1957-12-30
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Granted: 1961-01-24
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Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:42
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A POLYESTER CONTAINING THE CHARACTERISTIC UNIT DEFINED BY THE FORMULA:
Claim 2
Dependent Claim
10 words
A POLYESTER CONTAINING THE CHARACTERISTIC UNIT DEFINED BY 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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |