Patent US4460861A successfully refreshed from Google Patents.
US3134754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyepoxide compositions
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1959-08-03
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Granted: 1964-05-26
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Expires: 1979-08-03
Abstract
No abstract record available.
Inventors
- 👤 Brunner Henry
- 👤 Waghorn Michael John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:41
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR CURING A POLYEPOXIDE HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
A PROCESS FOR CURING A POLYEPOXIDE HAVING THE FORMULA
References Cited (Backward Citations)
US2787329A
Cited
US2809184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |