US2466926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-acyl-2-(beta-carbalkoxyethyl)-cycloalkanones
Assignee: Rohm and Haas Co
•
Filing: 1947-06-26
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Granted: 1949-04-12
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 Herman A Bruson
- 👤 Harry R Raterink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:02
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/74; C07C69/757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2264354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |