US2959665A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adapter for use in blood plasma prothrombin time determination
Assignee: Individual
•
Filing: 1959-01-23
•
Granted: 1960-11-08
•
Expires: 1979-01-23
Abstract
No abstract record available.
Inventors
- 👤 Mark C Rhees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:35
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; G01N21/00; G01N21/01; G01N21/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
AN ADAPTER FOR USE IN SUBJECTING A PROTHROMBINPLASMA MIXTURE TO A PHOTOELECTRIC BEAM COMPRISING AN OUTER CASING HAVING AN AXIAL BORE AND A HOLE IN THE UPPER PORTION OF ITS SIDE WALL, A TUBULAR CORE HAVING A BORE OF UNIFORM DIAMETER THROUGHOUT ITS LENGTH AND HAVING AN UPPER OUTER SURFACE OF RELATIVELY SMALL DIAMETER AND A LOWER OUTER SURFACE OF RELATIVELY LARGE DIAMETER CONCENTRICALLY DISPOSED IN SAID BORE WITH THE SURFACE OF RELATIVELY LARGE DIAMETER SNUGLY SEATED IN THE LOWER PORTION OF THE BORE OF THE OUTER CASING AND WITH THE SURFACE OF RELATIVELY SMALL DIAMETER SPACED RADIALLY INWARDLY FROM THE ADJACENT SURFACE OF THE CASING BORE, A WINDING OF ELECTRIC RESISTANCE WIRE SURROUNDING THE CORE AND DISPOSED WITHIN SAID SPACE FOR HEATING THE CORE, AXIALLY SPACED BOTTOMS FOR THE CORE AND CASING, A THERMOSTATIC ELEMENT CONTAINED WITHIN THE SPACE BETWEEN THE BOTTOMS,
Claim 2
Dependent Claim
143 words
AN ADAPTER FOR USE IN SUBJECTING A PROTHROMBINPLASMA MIXTURE TO A PHOTOELECTRIC BEAM COMPRISING AN OUTER CASING HAVING AN AXIAL BORE AND A HOLE IN THE UPPER PORTION OF ITS SIDE WALL, A TUBULAR CORE HAVING A BORE OF UNIFORM DIAMETER THROUGHOUT ITS LENGTH AND HAVING AN UPPER OUTER SURFACE OF RELATIVELY SMALL DIAMETER AND A LOWER OUTER SURFACE OF RELATIVELY LARGE DIAMETER CONCENTRICALLY DISPOSED IN SAID BORE WITH THE SURFACE OF RELATIVELY LARGE DIAMETER SNUGLY SEATED IN THE LOWER PORTION OF THE BORE OF THE OUTER CASING AND WITH THE SURFACE OF RELATIVELY SMALL DIAMETER SPACED RADIALLY INWARDLY FROM THE ADJACENT SURFACE OF THE CASING BORE, A WINDING OF ELECTRIC RESISTANCE WIRE SURROUNDING THE CORE AND DISPOSED WITHIN SAID SPACE FOR HEATING THE CORE, AXIALLY SPACED BOTTOMS FOR THE CORE AND CASING, A THERMOSTATIC ELEMENT CONTAINED WITHIN THE SPACE BETWEEN THE BOTTOMS,
References Cited (Backward Citations)
US1404317A
Cited
US1414494A
Cited
US2232169A
Cited
US2328461A
Cited
FR1054137A
Cited
US2640907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |