Patent US2945127A successfully refreshed from Google Patents.
US2945127A
Expired / Lapsed
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Automatic process control with radioisotopes
Assignee: Phillips Petroleum Co
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Filing: 1954-10-25
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Granted: 1960-07-12
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 George H Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:07
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/42; B01D3/4211; B01D3/425; G; G21; G21H; G21H5/00; G21H5/02; Y; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
17 words
A METHOD FOR CONTROLLING A PROCESS VARIABLE IN A FRACTIONATION PROCESS FOR SEPARATING A MIXTURE OF MA-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |