Patent US3414629A successfully refreshed from Google Patents.
US3414629A
Expired / Lapsed
US
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Cyclooligomerization
Assignee: Eastman Kodak Co
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Filing: 1965-05-13
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Granted: 1968-12-03
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Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Marvin A Mccall
- 👤 Jr Harry W Coover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:52
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/16; B01J31/18; B01J31/1845; B01J31/185; B01J31/24; C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2/465; B01J2231/00; B01J2231/30; B01J2231/32; B01J2231/324; B01J2531/00; B01J2531/80; B01J2531/84; B01J2531/847; C07C2531/00; C07C2531/16; C07C2531/22; C07C2531/24; C07C2601/00; C07C2601/18
Claims Analysis
Total Claims: 0
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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) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |