Patent US2834338A successfully refreshed from Google Patents.
US2834338A
Expired / Lapsed
US
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Device for measuring blood density in tissue
Assignee: Hamilton Watch Co
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Filing: 1954-11-16
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Granted: 1958-05-13
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Expires: 1974-11-16
Abstract
No abstract record available.
Inventors
- 👤 James E Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:09
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/0295; G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A DEVICE FOR MEASURING THE AMOUNT OF BLOOD IN A GIVEN QUANTITY OF TISSUE COMPRISING A CIRCUIT INCLUDING A COIL AND A CAPACITOR HAVING A PAIR OF SPACED PLATES LYING IN A SINGLE PLANE, AN ELECTRICALLY INSULATING ENVELOPE DISPOSED ABOUT THE PLATES, AND MEANS CONNECTED TO THE CIRCUIT TO MEASURE THE Q OF THE CIRCUIT, WHEREBY THE AMOUNT OF BLOOD IN A GIVEN QUANTITY OF TISSUE MAY BE DETERMINED BY PRESSING THE TISSUE AGAINST THE INSULATING ENVELOPE ADJACENT TO THE CAPACITOR AND MEASURING THE Q OF THE CIRCUIT.
References Cited (Backward Citations)
US2352011A
Cited
US2413389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |