Patent US3400098A successfully refreshed from Google Patents.
US3400098A
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US
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Composition containing 2, 2-bis (2, 3-epoxypropoxyphenyl) propane and trimellitic anhydride
Assignee: Shell USA Inc
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Filing: 1964-06-22
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Granted: 1968-09-03
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:05
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4223; C09; C09J; C09J163/00; C08L; C08L2666/00; C08L2666/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2921923A
Cited
US3095429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |