US4012198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immunodiffusion device
Assignee: Murex Diagnostics Inc
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Filing: 1975-02-27
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Granted: 1977-03-15
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Expires: 1995-02-27
Abstract
Abstract A device for use in carrying out immunodiffusion having a trough for accommodating a substrate and one or more wells in communication with the trough whereby a first immunological reagent when located in said well may diffuse into the substrate to react with a second immunological reagent dispersed in said substrate.
Inventors
- 👤 Norman Boyne Finter
- 👤 Leonard William Jerome Bishop
- 👤 June Dalziel Almeida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:02
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/53; G01N33/558; Y; Y10; Y10S; Y10S435/00; Y10S435/975; Y10S436/00; Y10S436/807; Y10S436/809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A device suitable for use in carrying out immunodiffusion comprising a container having a base wall and side walls, said walls defining therebetween two parallel troughs for accommodating a substrate, a slit in the body of the container extending between said two troughs, a plurality of channels extending from said slit to said troughs, and a plurality of wells and conduits located in the side walls of said container corresponding to each of said channels whereby a immunological reagent placed in said slit would diffuse into a substrate located in each of said troughs via a channel and combine in said substrate with an homologus immunological reagent having diffused into said substrate from corresponding conduit and well.
Claim 2
Independent Claim
117 words
A device suitable for use in carrying out immunodiffusion comprising a container having a base wall and side walls, said walls defining therebetween two parallel troughs for accommodating a substrate, a slit in the body of the container extending between said two troughs, a plurality of channels extending from said slit to said troughs, and a plurality of wells and conduits located in the side walls of said container corresponding to each of said channels whereby a immunological reagent placed in said slit would diffuse into a substrate located in each of said troughs via a channel and combine in said substrate with an homologus immunological reagent having diffused into said substrate from corresponding conduit and well.
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) | 1980-03-14 | 1980-09-13 | 1981-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-14 | 1984-09-13 | 1985-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-14 | 1988-09-13 | 1989-03-15 | $7700.00 | Window Closed / Lapsed |