US3587969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balanced fluid flow control apparatus
Assignee: Individual
•
Filing: 1969-05-19
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Granted: 1971-06-28
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Expires: 1989-05-19
Abstract
Abstract A BALANCED FLUID CONTROL APPARATUS FOR DIVIDING SOURCES OF INPUT FLUID SUPPLY INTO AT LEAST TWO VARIABLE AND CONTROLLED PARTS AT LEAST ONE OF WHICH IS DISCHARGED AT PREDETERMINED RATES OF FLOW TO UTILIZING MECHANISMS, DEVICES OR PROCESSES, THE RATES OF FLOW BEING CONTROLLED TO RANGE FROM MINIMAL TO MAXIMA, THE LATTER INCLUDING, IN THE EXTREME, THE TOTAL INPUT FLUID AS THE DISCHARGE.
Inventors
- 👤 Carl F Gromme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:34
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/02; F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0287; Y; Y10; Y10S; Y10S123/00; Y10S123/10
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |