US2252076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixer
Assignee: Standard Oil Development Co
•
Filing: 1939-10-31
•
Granted: 1941-08-12
•
Expires: 1959-10-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin E Juterbock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:28
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/313; B01F25/3131; B01F25/40; B01F25/44; B01F25/441; B01F25/4416; B01F25/44166; B01F25/442; B01F25/4422; B01F27/00; B01F27/27; B01F27/271; B01F27/2712; B01F27/2714
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) | 1944-08-11 | 1945-02-10 | 1945-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-08-11 | 1949-02-10 | 1949-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-08-11 | 1953-02-10 | 1953-08-12 | $7700.00 | Window Closed / Lapsed |