US2583177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow dividing apparatus
Assignee: Universal Oil Products Co
•
Filing: 1944-10-26
•
Granted: 1952-01-22
•
Expires: 1964-10-26
Abstract
No abstract record available.
Inventors
- 👤 Hoekstra James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:33
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/34; G01N1/02; G01N1/10; G01N1/22; G01N5/00; G01N5/02; G01N1/18; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/479; Y10T137/8593; Y10T137/87265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1999834A
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US2309625A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |