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Patent US3391097A successfully refreshed from Google Patents.
US3391097A
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US
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Epoxy resins from 1, 1'-methylene bis
Assignee: Oakite Products Inc
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Filing: 1966-08-10
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Granted: 1968-07-02
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Expires: 1986-08-10
Abstract
No abstract record available.
Inventors
- 👤 Stanley C Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:59
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/10; C08G59/18; C08G59/20; C08G59/22; C08G59/26; Y; Y10; Y10S; Y10S260/00; Y10S260/34
Claims Analysis
Total Claims: 0
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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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |