Patent US3435819A successfully refreshed from Google Patents.
US3435819A
Expired / Lapsed
US
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Venous pressure monitoring apparatus
Assignee: LE VOY'S Inc
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Filing: 1966-05-17
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Granted: 1969-04-01
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Gordon S Reynolds
- 👤 Karl A Pannier Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:13
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61B5/02152; A61M; A61M5/00; A61M5/14; A61M5/168; A61M5/16831; A61M5/16854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
VENOUS PRESSURE MONITORING APPARATUS INCLUDING A MANOMETER IN THE FORM OF A TRANSPARENT OPEN-ENDED TUBE FOR DISPOSITION IN A SUBSTANTIALLY VERTICAL POSITION, A GRADUATED SCALE ON SAID TUBE, MEANS FOR PLACING THE LOWER END OF SAID MANOMETER IN COMMUNICATION WITH AN INTRAVENOUS INFUSION SYSTEM, A PORTED FITTING ON THE UPPER END OF SAID MANOMETER, AND AUTOMATICALLY OPERABLE VALVE MEANS TO CLOSE THE PORT IN SAID FITTING WHEN THE MANOMETER IS FILLED WITH INFUSION LIQUID TO A PREDETERMINED EXTENT.
Claim 2
Dependent Claim
78 words
VENOUS PRESSURE MONITORING APPARATUS INCLUDING A MANOMETER IN THE FORM OF A TRANSPARENT OPEN-ENDED TUBE FOR DISPOSITION IN A SUBSTANTIALLY VERTICAL POSITION, A GRADUATED SCALE ON SAID TUBE, MEANS FOR PLACING THE LOWER END OF SAID MANOMETER IN COMMUNICATION WITH AN INTRAVENOUS INFUSION SYSTEM, A PORTED FITTING ON THE UPPER END OF SAID MANOMETER, AND AUTOMATICALLY OPERABLE VALVE MEANS TO CLOSE THE PORT IN SAID FITTING WHEN THE MANOMETER IS FILLED WITH INFUSION LIQUID TO A PREDETERMINED EXTENT.
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) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |