US3230688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control method and apparatus
Assignee: Phillips Petroleum Co
•
Filing: 1962-06-28
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Granted: 1966-01-25
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leland G Kitchen
- 👤 Joseph T Karbosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:58
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0379; Y10T137/2496; Y10T137/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
THE METHOD FOR CONTROLLING FLOW OF REGENERATION FLUID IN A PROCESS, WHEREIN SAID REGENERATION FLUID IS HEATED PRIOR TO ITS USE AS SUCH, WHICH COMPRISES HEATING SAID REGENERATION FLUID, MEASURING THE FLOW RATE OF SAID REGENERATION FLUID, COMPARING THE MEASURED VALUE WITH A PREDETERMINED DESIRED FLOW VALUE RANGE, PRODUCING AND TRANSMITTING A FIRST SIGNAL WHEN SAID MEASURED VALUE IS GREATER THAN SAID RANGE, PRODUCING AND TRANSMITTING A SECOND SIGNAL WHEN SAID MEASURED VALUE IS LESS THAN SAID RANGE, TERMINATING THE HEATING OF SAID REGENERATION FLUID IN RESPONSE
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |