US3233173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of determining the volume of particles in a mixture
Assignee: United Research Inc
•
Filing: 1958-04-28
•
Granted: 1966-02-01
•
Expires: 1978-04-28
Abstract
No abstract record available.
Inventors
- 👤 Lees Sidney
- 👤 Dwight W Batteau
- 👤 Kleinschmidt R Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:41
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2238091A
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US2485579A
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US2671200A
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US2772393A
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US2807720A
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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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |