US2865617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol decomposing apparatus
Assignee: Monsanto Chemicals Ltd
•
Filing: 1956-04-23
•
Granted: 1958-12-23
•
Expires: 1976-04-23
Abstract
No abstract record available.
Inventors
- 👤 William T Dickens
- 👤 Allen D Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:14
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/10; C02F2301/00; C02F2301/02; C02F2301/028; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/908; Y10S210/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US959350A
Cited
US2014431A
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US960223A
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US1133371A
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US1331784A
Cited
US2296930A
Cited
US2725343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |