US2326705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isoforming
Assignee: Standard Oil Co
•
Filing: 1940-11-28
•
Granted: 1943-08-10
•
Expires: 1960-11-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest W Thiele
- 👤 George E Schmitkons
- 👤 Hull Carl Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:24
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/12; C10G35/14
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) | 1946-08-09 | 1947-02-08 | 1947-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-08-09 | 1951-02-08 | 1951-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-08-09 | 1955-02-08 | 1955-08-10 | $7700.00 | Window Closed / Lapsed |