US3448174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxidized,hydroxylated and maleated epdm
Assignee: Uniroyal Chemical Co Inc
•
Filing: 1965-03-16
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Granted: 1969-06-03
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Expires: 1985-03-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Loveless
- 👤 Robert J Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:23
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/02; C08G59/027; C08F; C08F8/00; C08F8/06; C08F8/08; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6204; C08G18/67; C08G18/6705; C08G63/00; C08G63/02; C08G63/12; C08G63/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2660563A
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US2692892A
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US2829135A
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US2829130A
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US3317635A
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US3042661A
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US3247284A
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US3342771A
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US3271477A
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US3261888A
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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) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |