Patent US3394020A successfully refreshed from Google Patents.
US3394020A
Expired / Lapsed
US
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Stabilization of organic materials with alkylated phenols
Assignee: Individual
•
Filing: 1967-09-14
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Granted: 1968-07-23
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Expires: 1987-09-14
Abstract
No abstract record available.
Inventors
- 👤 Bell Alan
- 👤 Lappin Gerald Ray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C07; C07C; C07C37/00; C07C37/11; C07C37/14; C07C39/00; C07C39/02; C07C39/06; C09; C09K; C09K15/00; C09K15/04; C09K15/06; C09K15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2202877A
Cited
US3255255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |