US2248518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of ethers of phenylmethylcarbinol and its homologues
Assignee: Distillers Co Yeast Ltd
•
Filing: 1939-07-19
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Granted: 1941-07-08
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Expires: 1959-07-19
Abstract
No abstract record available.
Inventors
- 👤 Stanley Herbert Muggleton
- 👤 Minkoff Gregoire
- 👤 Downs Epsom
- 👤 Youell James Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:51
CPC Classifications
C; C07; C07C; C07C41/00; C07C41/01; C07C41/05; C07C41/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-07-07 | 1945-01-06 | 1945-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-07-07 | 1949-01-06 | 1949-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-07-07 | 1953-01-06 | 1953-07-08 | $7700.00 | Window Closed / Lapsed |