US3376259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel epoxide resins prepared from alpha, alpha', alpha"-tris(hydroxyphenyl)-1, 3, 5-triisopropylbenzene and 2, 2-bis(p-hydroxyphenyl)propane
Assignee: Honeywell International Inc
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Filing: 1965-08-18
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Granted: 1968-04-02
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Expires: 1985-08-18
Abstract
No abstract record available.
Inventors
- 👤 Oliver A Barton
- 👤 Ralph M Hetterly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:18
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/04; C08G59/06; C08G59/063; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/245; C08G59/32; C08G59/3218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3309339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |