Patent US3147620A successfully refreshed from Google Patents.
US3147620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow meter
Assignee: Individual
•
Filing: 1962-01-22
•
Granted: 1964-09-08
•
Expires: 1982-01-22
Abstract
No abstract record available.
Inventors
- 👤 Stapler William Mead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:24
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A DEVICE FOR MEASURING FLUID FLOW COMPRISING: A CONDUIT THROUGH WHICH FLUID IS PASSED AND WHICH HAS AN OPENING IN THE WALL THEREOF, A BASE MEMBER MOUNTED WITHIN SAID OPENING AND HAVING A SURFACE IN CONTACT WITH A RELATIVELY MOVING FLUID, SAID SURFACE BEING SMOOTH AND BEING SUBSTANTIALLY EVEN WITH THE ADJACENT INNER WALL OF THE CONDUIT TO PROVIDE A SMOOTH, UNINTERRUPTED, POCKETLESS BOUNDARY AND HAVING A HOLE THEREIN TO ACCOMMODATE A FLEXURAL DRAG BODY SUPPORT STRUCTURE; A FLEXURAL SUPPORT DISPOSED IN SAID STREAM AND RIGIDLY JOINED TO SAID SURFACE TO COVER THE HOLE IN A FLUID TIGHT JUNCTURE, SAID SUPPORT HAVING AN INTERIOR HOLLOW SECTION WHICH IS CONNECTED WITH SAID HOLE; A DRAG BODY CONNECTED TO SAID ELEMENT; AND SENSING MEANS WITHIN THE HOLLOW SECTION OF THE FLEXURE ELEMENT AND FIXED THERETO FOR OBTAINING A READING DEPENDENT UPON FLOW RATE.
Claim 2
Independent Claim
141 words
A DEVICE FOR MEASURING FLUID FLOW COMPRISING: A CONDUIT THROUGH WHICH FLUID IS PASSED AND WHICH HAS AN OPENING IN THE WALL THEREOF, A BASE MEMBER MOUNTED WITHIN SAID OPENING AND HAVING A SURFACE IN CONTACT WITH A RELATIVELY MOVING FLUID, SAID SURFACE BEING SMOOTH AND BEING SUBSTANTIALLY EVEN WITH THE ADJACENT INNER WALL OF THE CONDUIT TO PROVIDE A SMOOTH, UNINTERRUPTED, POCKETLESS BOUNDARY AND HAVING A HOLE THEREIN TO ACCOMMODATE A FLEXURAL DRAG BODY SUPPORT STRUCTURE; A FLEXURAL SUPPORT DISPOSED IN SAID STREAM AND RIGIDLY JOINED TO SAID SURFACE TO COVER THE HOLE IN A FLUID TIGHT JUNCTURE, SAID SUPPORT HAVING AN INTERIOR HOLLOW SECTION WHICH IS CONNECTED WITH SAID HOLE; A DRAG BODY CONNECTED TO SAID ELEMENT; AND SENSING MEANS WITHIN THE HOLLOW SECTION OF THE FLEXURE ELEMENT AND FIXED THERETO FOR OBTAINING A READING DEPENDENT UPON FLOW RATE.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |