US3367992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-hydroxyalkyl acrylate and methacrylate dicarboxylic acid partial esters and the oxyalkylated derivatives thereof
Assignee: Dow Chemical Co
•
Filing: 1964-06-05
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Granted: 1968-02-06
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Expires: 1984-06-05
Abstract
No abstract record available.
Inventors
- 👤 Charles R Bearden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:22
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08F; C08F22/00; C08F22/10; C08F22/26; C08F22/28; C08F299/00; C08F299/02; C08F299/026; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6216; C08G18/622; C08G18/6225; C08G18/6229; C08G18/6233; Y; Y10; Y10S; Y10S138/00; Y10S138/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2908663A
Cited
US3150118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |