US3335748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable control for metered flow
Assignee: Individual
•
Filing: 1964-09-15
•
Granted: 1967-08-15
•
Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 William F Klemm
- 👤 Alber Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:32
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32; F16K1/52; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
AN ADJUSTABLE FLOW CONTROL FOR METERED SLOW FLOW OF FLUID, SAID FLOW CONTROL COMPRISING AN ADJUSTABLE PRESSURE REGULATOR, A PLURALITY OF RESTRICTORS, AND A PLURALITY OF MANUALLY OPERABLE SHUT-OFF VALVES WHEREBY A DESIRED ONE OR MORE OF THE RESTRICTORS MAY BE CONNECTED TO THE OUTLET OF THE PRESSURE REGULATOR WHILE THE OTHER ARE SHUT, SAID REGULATOR HAVING A READILY OPERABLE EXTERNAL CONTROL MEANS TO ADJUST THE SAME OVER A DESIRED PRESSURE RANGE, AND SAID RESTRICTORS COMPRISING FRICTION TUBES OF
Claim 2
Dependent Claim
79 words
AN ADJUSTABLE FLOW CONTROL FOR METERED SLOW FLOW OF FLUID, SAID FLOW CONTROL COMPRISING AN ADJUSTABLE PRESSURE REGULATOR, A PLURALITY OF RESTRICTORS, AND A PLURALITY OF MANUALLY OPERABLE SHUT-OFF VALVES WHEREBY A DESIRED ONE OR MORE OF THE RESTRICTORS MAY BE CONNECTED TO THE OUTLET OF THE PRESSURE REGULATOR WHILE THE OTHER ARE SHUT, SAID REGULATOR HAVING A READILY OPERABLE EXTERNAL CONTROL MEANS TO ADJUST THE SAME OVER A DESIRED PRESSURE RANGE, AND SAID RESTRICTORS COMPRISING FRICTION TUBES OF
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |