Patent US3242920A successfully refreshed from Google Patents.
US3242920A
Expired / Lapsed
US
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Manometer and method of using same
Assignee: HW Andersen Products Inc
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Filing: 1963-06-07
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Granted: 1966-03-29
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Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Harold W Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:34
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/16831; A61M5/16854; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61B5/02152
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A MANOMETER ADAPTED FOR CONTINUOUS MEASUREMENT OF VENOUS PRESSURE COMPRISING A TUBULAR RESERVOIR HAVING A BORE OF SUBSTANTIAL CROSS-SECTIONAL AREA, MEANS FOR SUPPORTING SAID RESERVOIR IN AN APPROXIMATELY VERTICAL POSITION AT A DESIRED ADJUSTED HEIGHT, A HOLLOW BORE NEEDLE ADAPTED FOR INSERTION INTO A VEIN OF A PATIENT, FLEXIBLE TUBING CONNECTING THE BOTTOM OF SAID RESERVOIR WITH SAID NEEDLE, MEANS FOR SUPPORTING LIQUID TO THE INTERIOR OF THE SYSTEM CONSTITUTED BY THE RESERVOIR AND TUBING, A CALIBRATED SCALE ASSOCIATED WITH THE RESERVOIR TO INDICATE CONTINUOUSLY THE POSITION OF THE FLUID SURFACE THEREIN, AND MEANS DEFINING AN OPENING LEADING FROM SAID LIQUID SUPPLY
Claim 2
Dependent Claim
102 words
A MANOMETER ADAPTED FOR CONTINUOUS MEASUREMENT OF VENOUS PRESSURE COMPRISING A TUBULAR RESERVOIR HAVING A BORE OF SUBSTANTIAL CROSS-SECTIONAL AREA, MEANS FOR SUPPORTING SAID RESERVOIR IN AN APPROXIMATELY VERTICAL POSITION AT A DESIRED ADJUSTED HEIGHT, A HOLLOW BORE NEEDLE ADAPTED FOR INSERTION INTO A VEIN OF A PATIENT, FLEXIBLE TUBING CONNECTING THE BOTTOM OF SAID RESERVOIR WITH SAID NEEDLE, MEANS FOR SUPPORTING LIQUID TO THE INTERIOR OF THE SYSTEM CONSTITUTED BY THE RESERVOIR AND TUBING, A CALIBRATED SCALE ASSOCIATED WITH THE RESERVOIR TO INDICATE CONTINUOUSLY THE POSITION OF THE FLUID SURFACE THEREIN, AND MEANS DEFINING AN OPENING LEADING FROM SAID LIQUID SUPPLY
References Cited (Backward Citations)
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |