US3622484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample placing method
Assignee: LEO P CAWLEY
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Filing: 1970-02-09
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Granted: 1971-11-23
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Expires: 1990-02-09
Abstract
Abstract This invention is a method of inserting serum specimen into a stabilizing media gel as used in preparing samples for electrophoresis and immunoelectrophoresis processes. More particularly, the method of this invention comprises placing the serum specimen on the edge of a blade, inserting the blade into the stabilizing media gel, thereby removing the serum from the blade and depositing the serum in the stabilizing media gel in the formed slit, and removing the blade from the gel.
Inventors
- 👤 Leo P Cawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:12
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44743
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
103 words
The method of inserting a serum specimen in a stabilizing media gel as described in claim 1, wherein: a. said serum specimen is coated along the blade edge surface on one side thereof, b. said coated blade edge surface is placed against the surface of said stabilizing media gel at an incline thereto and inserted into same, forming said slit therein, c. said coated blade surface within said stabilizing media gel is moved back and forth displacing said serum specimen from said blade edge surface, and d. said blade edge surface is removed from said stabilizing media gel free of said serum specimen.
Claim 2
Dependent Claim
78 words
The method of inserting a serum specimen in a stabilizing media gel as described in claim 2, wherein: a. said serum specimen is spread substantially thereacross said blade edge surface from a dispensing means, b. said coated blade edge surface inserted in said stabilizing media gel is pivoted in a back and forth motion about said blade edge surface, and c. said blade edge surface is removed from said stabilizing media gel generally perpendicular to said surface thereof.
Claim 3
Dependent Claim
54 words
The method of inserting a serum specimen in a stabilizing media gel as described in claim 1, wherein: a. said stabilizing media gel is supported on a sheet memeber in a relatively thin coating, and b. said stabilizing media gel is an agar gel material inert to the plastic material of the sheet member.
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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |