US2415101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making phenol
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-06-05
•
Granted: 1947-02-04
•
Expires: 1965-06-05
Abstract
No abstract record available.
Inventors
- 👤 Robert H Krieble
- 👤 William I Denton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:52
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/58; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/92; Y10S585/921; Y10S585/924; Y10S585/925
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2223383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-03 | 1950-08-05 | 1951-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-03 | 1954-08-05 | 1955-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-03 | 1958-08-05 | 1959-02-04 | $7700.00 | Window Closed / Lapsed |