Patent US2415913A successfully refreshed from Google Patents.
Patent US3396141A successfully refreshed from Google Patents.
US3396141A
Expired / Lapsed
US
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Organic acid resistant compositions from epoxy resins, polycarbamates and clay
Assignee: Tile Council of America Inc
•
Filing: 1965-07-06
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Granted: 1968-08-06
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:45
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4057; C08G59/50; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/164; Y10T428/28; Y10T428/2852; Y10T428/287; Y10T428/31504; Y10T428/31511; Y10T428/31515; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AN EPOXY RESIN-POLYFUNCTIONAL AMINE CARBANATE COMPOSITION WHICH COMPRISES: (A) AN EPOXY RESIN HAVING AT LEAST TWO
Claim 2
Dependent Claim
16 words
AN EPOXY RESIN-POLYFUNCTIONAL AMINE CARBANATE COMPOSITION WHICH COMPRISES: (A) AN EPOXY RESIN HAVING AT LEAST TWO
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |