US3215135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature pressure gauge for the measurement of intravascular blood pressure
Assignee: Individual
•
Filing: 1963-02-04
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Granted: 1965-11-02
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Ernst K Franke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:52
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0076; G01L9/0077; A; A61; A61B; A61B5/00; A61B5/02; A61B5/021; A61B5/0215; A61B5/02154; A61B2562/00; A61B2562/02; A61B2562/0247
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN A DEVICE FOR MEASURING FLUID PRESSURE AT A REMOTE POINT, AN ELONGATED FLEXIBLE ELEMENT, TWO FLEXIBLE LIGHT GUIDE ELEMENTS EXTENDING THE LENGTH OF THE FIRST MENTIONED ELEMENT, A HOUSING ATTACHED TO ONE END FO SAID ELONGATED FLEXIBLE ELEMENT, A DIAPHRAGM EXTENDING ACROSS SAID HOUSING AND RESPONSIVE TO FLUID PRESSURE, AND A PARTITION DEVICE AT THE SAME END OF SAID ELONGATED FLEXIBLE ELEMENT, LOCATED BETWEEN SAID LIGHT GUIDE ELEMENTS AND EXTENDING TOWARD SID DIAPHRAGM BUT SPACED THEREFROM TO FORM A GAP THROUGH WHICH LIGHT CAN BE TRANSMITTED FROM ONE OF SAID LIGHT GUIDE ELEMENTS TO THE OTHER.
Claim 2
Dependent Claim
97 words
IN A DEVICE FOR MEASURING FLUID PRESSURE AT A REMOTE POINT, AN ELONGATED FLEXIBLE ELEMENT, TWO FLEXIBLE LIGHT GUIDE ELEMENTS EXTENDING THE LENGTH OF THE FIRST MENTIONED ELEMENT, A HOUSING ATTACHED TO ONE END FO SAID ELONGATED FLEXIBLE ELEMENT, A DIAPHRAGM EXTENDING ACROSS SAID HOUSING AND RESPONSIVE TO FLUID PRESSURE, AND A PARTITION DEVICE AT THE SAME END OF SAID ELONGATED FLEXIBLE ELEMENT, LOCATED BETWEEN SAID LIGHT GUIDE ELEMENTS AND EXTENDING TOWARD SID DIAPHRAGM BUT SPACED THEREFROM TO FORM A GAP THROUGH WHICH LIGHT CAN BE TRANSMITTED FROM ONE OF SAID LIGHT GUIDE ELEMENTS TO THE OTHER.
References Cited (Backward Citations)
US3078841A
Cited
US3068742A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |