US4334879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample applicator
Assignee: Olympus Corp
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Filing: 1980-05-02
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Granted: 1982-06-15
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Expires: 2000-05-02
Abstract
Abstract A sample applicator comprising a holder and an applicator blade of porous material formed as a rectangular plate and mounted to an end of holder, the sample applicator being arranged to apply a sample onto a film by making the applicator blade absorb the sample and, then, pushing the applicator blade onto the film.
Inventors
- 👤 Ryo Fujimori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44704; G01N27/44743; B; B01; B01L; B01L3/00; B01L3/02; B01L2300/00; B01L2300/06; B01L2300/069; B01L3/0241; B01L3/0244; G01N1/00; G01N1/02; G01N1/10; G01N1/14; G01N2001/1472; G01N2001/149; G01N35/00; G01N35/10; G01N2035/1027; G01N2035/1034; G01N2035/1037; G01N35/1095; Y; Y10; Y10T; Y10T436/00; Y10T436/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A new use for a blade of porous, liquid-absorptive material having a straight edge protruding at one end of a holder in which the blade of porous material is mounted, said new use comprising: dipping the protruding blade edge into a liquid that is to be subjected to electrophoresis, in order to absorb a quantity of said liquid therein; and pushing the protruding blade edge against an electrically-energizable film sufficiently to express from the blade onto the film a fine, uniform, straight line sample of said liquid.
Claim 2
Dependent Claim
87 words
A new use for a blade of porous, liquid-absorptive material having a straight edge protruding at one end of a holder in which the blade of porous material is mounted, said new use comprising: dipping the protruding blade edge into a liquid that is to be subjected to electrophoresis, in order to absorb a quantity of said liquid therein; and pushing the protruding blade edge against an electrically-energizable film sufficiently to express from the blade onto the film a fine, uniform, straight line sample of said liquid.
References Cited (Backward Citations)
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Cited
US3881873A
Cited
US3980437A
Cited
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Cited
US4126417A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-06-14 | 1985-12-14 | 1986-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-14 | 1989-12-14 | 1990-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-14 | 1993-12-14 | 1994-06-15 | $7700.00 | Window Closed / Lapsed |