US3607134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample holder for maintaining blood samples at a preselected temperature
Assignee: DELBERT D MCINTYRE
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Filing: 1968-10-02
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Granted: 1971-09-21
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Expires: 1988-10-02
Abstract
Abstract A portable thermal holder for maintaining articles at preselected temperatures is particularly suitable for maintaining blood samples near body temperatures for blood coagulation tests. The holder includes a thermally insulated heat-absorbent body portion having article support means into which articles are placed. In forming the holder a curable material is mixed with a quantity of low heat-conductive granules and poured into a low heat-conductive container. In the container, the lighter granules rise to the top and form a layer of insulation, the curable material hardening to form the heat-absorbent body portion. An external heat source or a self-contained heating unit establishes the desired temperature of the heat-absorbent body portion.
Inventors
- 👤 Delbert D Mcintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:01
CPC Classifications
B; B01; B01L; B01L7/00; B01L7/04; B01L9/00; B01L9/06; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
57 words
A holder as set forth in claim 1 wherein a plurality of said test sample support passages are formed in uniformly spaced relation in the heat-absorbing body portion and which extend through the top of the insulator housing portion and terminate above the bottom of the body portion to support the test samples in an upright position.
Claim 2
Dependent Claim
128 words
A test sample holder for maintaining test samples at a preselected temperature comprising an outer low heat-conductive housing portion inclusive of a container lined with a low conductive thermal insulation and having an open top and a heat-absorbent body portion formed of a plastic material molded in said container, said outer portion including an upper low heat-conductive layer composed at least in part of granular glass material intermixed with a portion of the plastic material forming said heat-absorbent body portion and adhering to the inner walls at the top of said container, said body portion having a plurality of centrally arranged bores opening through said top layer to provide test tube support passages into which test tube samples are inserted into direct contact with the heat-absorbent body portion.
Claim 3
Dependent Claim
28 words
A thermal holder as set forth in claim 3 wherein said outer housing portion includes an outer rigid plastic casing having its inner surfaces lined with styrofoam material.
Claim 4
Dependent Claim
18 words
A thermal holder as set forth in claim 3 wherein said heat-absorbent body portion is an epoxy resin.
Claim 5
Dependent Claim
19 words
A thermal holder as set forth in claim 3 wherein said heat absorbent body portion is a polyester resin.
Claim 6
Dependent Claim
40 words
A thermal holder as set forth in claim 3 wherein said inner heat-absorbent body portion includes a heater element adapted to be energized from an external source to raise the temperature of the heat-absorbent body portion to a preselected temperature.
Claim 7
Dependent Claim
169 words
A blood sample test tube holder for maintaining blood samples at essentially body temperatures during coagulation tests comprising an outer low heat-conductive housing portion and an inner heat-absorbent body portion formed of a molded material disposed within and enclosed on all sides by said housing portion and adapted to be heated to a temperature near body temperature, said housing portion including a plastic rigid container open at the top inclusive of a bottom and upright sidewalls and being lined with a styrofoam material, said outer housing portion including a top layer of perlite intermixed with a molded material covering the top of said container and integral therewith and overlying said heat-absorbent body portion, said heat-absorbent body portion being of an initially fluid resin cured to an essentially rigid body integral with said outer housing portion, said body portion being shaped with a plurality of centrally disposed passages opening through said top layer for insertion of test tubes containing blood samples into direct contact with the heat absorbent body portion.
Claim 8
Dependent Claim
42 words
A blood sample test tube holder according to claim 8, wherein said heat-absorbent body portion is composed of epoxy resin and includes a heater element energizable from an external source to raise the temperature of the body portion to a preselected temperature.
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) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |