Patent US3197422A successfully refreshed from Google Patents.
US3197422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curing of epoxy resins
Assignee: Ashland LLC
•
Filing: 1963-01-17
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Granted: 1965-07-27
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Expires: 1983-01-17
Abstract
No abstract record available.
Inventors
- 👤 William R Peterson
- 👤 Ralph E Mcnay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:15
CPC Classifications
C; C08; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
THE METHOD OF CURING AN EPOXY RESIN CONTAINING MORE THAN ONE
Claim 2
Independent Claim
11 words
THE METHOD OF CURING AN EPOXY RESIN CONTAINING MORE THAN ONE
References Cited (Backward Citations)
US2894920A
Cited
US3098052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |