Patent US3126739A successfully refreshed from Google Patents.
US3126739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Figure i
Assignee: —
•
Filing: —
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Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:36
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/14; G01P5/16; Y; Y10; Y10S; Y10S116/00; Y10S116/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
AN APPARATUS FOR INDICATING CHANGE IN THE RELATIVE VELOCITY BETWEEN SAID APPARATUS AND A FLUID MEDIUM WHICH COMPRISES CONDUIT MEANS, RESILIENTLY YIELDABLE WALL MEANS EXTENDING ACROSS SAID CONDUIT MEANS TO PROVIDE A FLUID SEAL, SAID CONDUIT MEANS BEING CONNECTABLE ON ONE SIDE OF SAID WALL MEANS TO A SOURCE OF FLUID UNDER A FIRST PRESSURE, MEANS RESPONSIVE TO SAID RELATIVE VELOCITY AND CONNECTED TO SAID CONDUIT MEANS ON THE OTHER SIDE OF SAID WALL MEANS TO EXPOSE SAID OTHER SIDE TO A SECOND FLUID PRESSURE VAYING FROM SAID FIRST PRESSURE IN PROPORTION TO SAID RELATIVE VELOCITY THEREBY CAUSING SAID WALL MEANS TO RESILIENTLY YIELD AND FLUID TO FLOW IN SAID CONDUIT WHEN SAID RELATIVE VELOCITY CHANGES AND SAID WALL MEANS TO COME TO REST AND THE FLUID FLOW IN SAID CONDUIT TO CEASE WHEN SAID RELATIVE VELOCITY BECOMES CONSTANT, INDICATOR
Claim 2
Independent Claim
140 words
AN APPARATUS FOR INDICATING CHANGE IN THE RELATIVE VELOCITY BETWEEN SAID APPARATUS AND A FLUID MEDIUM WHICH COMPRISES CONDUIT MEANS, RESILIENTLY YIELDABLE WALL MEANS EXTENDING ACROSS SAID CONDUIT MEANS TO PROVIDE A FLUID SEAL, SAID CONDUIT MEANS BEING CONNECTABLE ON ONE SIDE OF SAID WALL MEANS TO A SOURCE OF FLUID UNDER A FIRST PRESSURE, MEANS RESPONSIVE TO SAID RELATIVE VELOCITY AND CONNECTED TO SAID CONDUIT MEANS ON THE OTHER SIDE OF SAID WALL MEANS TO EXPOSE SAID OTHER SIDE TO A SECOND FLUID PRESSURE VAYING FROM SAID FIRST PRESSURE IN PROPORTION TO SAID RELATIVE VELOCITY THEREBY CAUSING SAID WALL MEANS TO RESILIENTLY YIELD AND FLUID TO FLOW IN SAID CONDUIT WHEN SAID RELATIVE VELOCITY CHANGES AND SAID WALL MEANS TO COME TO REST AND THE FLUID FLOW IN SAID CONDUIT TO CEASE WHEN SAID RELATIVE VELOCITY BECOMES CONSTANT, INDICATOR
References Cited (Backward Citations)
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Cited
US2008885A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |