US2204339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylated phenols and a process of producing them
Assignee: Reilly-Whiteman-Walton Co
•
Filing: 1938-09-19
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Granted: 1940-06-11
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Expires: 1958-09-19
Abstract
No abstract record available.
Inventors
- 👤 Bowles Albert Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:06
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/64; C07C37/01; C07C37/055; C07C37/11; C07C37/16; C07C37/66; C07C41/00; C07C41/01; C07C41/09
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) | 1943-06-11 | 1943-12-11 | 1944-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-11 | 1947-12-11 | 1948-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-11 | 1951-12-11 | 1952-06-11 | $7700.00 | Window Closed / Lapsed |