Patent US3297724A successfully refreshed from Google Patents.
US3297724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diepoxides
Assignee: Eastman Kodak Co
•
Filing: 1961-03-07
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Granted: 1967-01-10
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Expires: 1981-03-07
Abstract
No abstract record available.
Inventors
- 👤 Richard L Mcconnell
- 👤 Jr Harry W Coover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:20
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/1651
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
AS A NEW COMPOSITION OF MATTER, 1,4-BIS(2,3-EPOXYPROPOXYMETHYL) CYCLOHEXANE.
Claim 2
Dependent Claim
8 words
AS A NEW COMPOSITION OF MATTER, 1,4-BIS(2,3-EPOXYPROPOXYMETHYL) CYCLOHEXANE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |