US2473406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diol compounds and esters thereof
Assignee: TIDE WATER ASSOCIATED OIL Co
•
Filing: 1946-10-17
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Granted: 1949-06-14
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Expires: 1966-10-17
Abstract
No abstract record available.
Inventors
- 👤 Carl N Zellner
- 👤 Herbert B Granholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:28
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/18; C07C31/20; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/149; C07C69/00; C07C69/02; C07C69/22; C07C69/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2091800A
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US2066533A
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US2112319A
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US2068415A
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US2229222A
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US2121580A
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US2388688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |