Patent US5919188A successfully refreshed from Google Patents.
US3660037A
Expired / Lapsed
US
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Device for measuring blood sedimentation rate
Assignee: Individual
•
Filing: 1970-08-10
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Granted: 1972-05-02
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Expires: 1990-08-10
Abstract
Abstract A unitary device comprising a cannula and a syringe barrel of rather large diameter for withdrawing blood, combined with one or more telescoping cylinders of relatively smaller diameter in which the sedimentation rate is measured.
Inventors
- 👤 Kurt Rudolf Sokol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:40
CPC Classifications
G; G01; G01N; G01N15/00; G01N15/04; G01N15/05
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
19 words
A device as set forth in claim 1 and further including a readout scale on at least said cylinder.
Claim 2
Dependent Claim
18 words
A device as set forth in claim 1 made of a synthetic polymer and having therein an anti-coagulant.
Claim 3
Dependent Claim
30 words
A device as set forth in claim 1 and further including a second cylinder of relatively smaller internal diameter received within the first cylinder and telescopically movable with relation thereto.
Claim 4
Dependent Claim
29 words
A device as set forth in claim 1 wherein the barrel and the cylinder are provided with marks for visual alignment to determine the degree of telescopic extension desired.
Claim 5
Dependent Claim
24 words
A device as set forth in claim 1 wherein the barrel has a mark thereon establishing the minimum volume of blood to be collected.
Claim 6
Dependent Claim
29 words
A device as set forth in claim 1 and further including a seal between said cylinder and said barrel and slideable with respect to at least one portion thereof.
Claim 7
Dependent Claim
50 words
A device as set forth in claim 1 wherein the cylinder is of much smaller outside and inside diameter than the inside diameter of said barrel and is much longer axially than said barrel, and further including a sleeve intermediate said barrel and said cylinder and serving as a guide.
References Cited (Backward Citations)
US2102785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |