Patent US4357301A successfully refreshed from Google Patents.
US4357301A
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US
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Reaction cuvette
Assignee: Bayer Corp
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Filing: 1981-07-20
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Granted: 1982-11-02
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Expires: 2001-07-20
Abstract
Abstract The reaction cuvette adapted to receive a liquid dispensing probe and having at least one surface of hydrophilic material which is treated or formed to have inwardly extending projections against which the liquid is dispensed.
Inventors
- 👤 Michael M. Cassaday
- 👤 Herman G. Diebler
- 👤 Dario Svenjak
- 👤 Kenneth F. Uffenheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:31
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/17; G01N21/25; G01N21/251; G01N21/253; G01N35/00; G01N35/02
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
36 words
A cup-like receptacle, the interior of said receptacle defining at least one surface which has a plurality of inwardly extending projections of hydrophilic material, said receptacle further defining a sight passageway for analysis of said liquid.
Claim 2
Dependent Claim
36 words
A cup-like receptacle, the interior of said receptacle defining at least one surface which has a plurality of inwardly extending projections of hydrophilic material, said receptacle further defining a sight passageway for analysis of said liquid.
Claim 3
Dependent Claim
17 words
A cup-like receptacle as defined in claim 1, wherein said surface defines a plurality of ridge-like projections.
Claim 4
Dependent Claim
17 words
A cup-like receptacle as defined in claim 1, wherein said surface defines a plurality of cone-like projections.
Claim 5
Dependent Claim
17 words
A cup-like receptacle as defined in claim 1, wherein said surface has been treated as by sandblasting.
Claim 6
Dependent Claim
24 words
A cup-like receptacle as defined in claim 1, wherein said receptacle includes at least two parallel transparent opposing wall portions defining said sight passageway.
Claim 7
Dependent Claim
36 words
A cup-like receptacle as defined in claim 1, said receptacle adapted to be mounted onto a horizontal support, further including means projecting laterally of said receptacle for supporting said receptacle when mounted on said horizontal support.
Claim 8
Dependent Claim
26 words
A cup-like receptacle as defined in claim 6, wherein said receptacle defines two opposing non-parallel wall portions for directing said receptacle when mounting on said support.
Claim 9
Dependent Claim
16 words
A cup-like receptacle as defined in claim 1, which is formed of acrylic or polystyrene material.
Claim 10
Dependent Claim
77 words
A reaction tray comprising a plurality of reaction cuvettes, said tray adapted to be rotated about an axis, said cuvettes being circularly disposed about said axis, whereby rotation of said tray advances each cuvette, in turn, to a liquid dispensing station, the interior of each cuvette defining at least one surface which has a plurality of inwardly extending projections of hydrophilic material and each of said cuvettes defining a sight passageway for analysis of the contents thereof.
Claim 11
Dependent Claim
77 words
A reaction tray comprising a plurality of reaction cuvettes, said tray adapted to be rotated about an axis, said cuvettes being circularly disposed about said axis, whereby rotation of said tray advances each cuvette, in turn, to a liquid dispensing station, the interior of each cuvette defining at least one surface which has a plurality of inwardly extending projections of hydrophilic material and each of said cuvettes defining a sight passageway for analysis of the contents thereof.
Claim 12
Dependent Claim
23 words
The reaction tray of claim 9, wherein said reaction tray defines a central opening for mounting of said tray on a rotatable shaft.
Claim 13
Dependent Claim
27 words
The reaction tray of claim 10, wherein said reaction tray includes a structure surrounding said central opening for facilitating mounting of said reaction tray on said shaft.
Claim 14
Dependent Claim
20 words
The reaction tray of claim 9, wherein each of said cuvettes is disposed along a radius of said reaction tray.
Claim 15
Dependent Claim
16 words
The reaction tray of claim 9, wherein said one surface defines a plurality of ridge-like projections.
Claim 16
Dependent Claim
19 words
A reaction tray as defined in claim 9, wherein each of said surfaces defines a plurality of cone-like projections.
Claim 17
Dependent Claim
17 words
A reaction tray as defined in claim 9, wherein said surface has been treated as by sandblasting.
Claim 18
Dependent Claim
18 words
A reaction tray as defined in claim 9, wherein said tray is formed of acrylic or polystyrene material.
Claim 19
Dependent Claim
36 words
A reaction tray as defined in claim 12, wherein each of said cuvettes includes two transparent sides spaced at a predetermined distance to define a sight passageway therethrough, said sight passageway being located along said radius.
Claim 20
Dependent Claim
20 words
A reaction tray as defined in claim 9, wherein each of said cuvettes is integrally formed in said reaction tray.
Claim 21
Dependent Claim
20 words
The receptacle of claim 1 wherein said one surface forms at least a portion of the bottom of said receptacle.
Claim 22
Dependent Claim
17 words
The receptacle of claim 1 which is adapted to receive a probe for dispensing a liquid therein.
Claim 23
Dependent Claim
23 words
The receptacle of claim 5 wherein at least the portions of said opposing walls which define said sight passageway have hydrophilic interior surfaces.
Claim 24
Dependent Claim
11 words
The receptacle of claim 1 wherein said projections are sharp projections.
Claim 25
Dependent Claim
12 words
The receptacle of claim 22 wherein said sharp projections are edged projections.
Claim 26
Dependent Claim
12 words
The receptacle of claim 22 wherein said sharp projections are pointed projections.
Claim 27
Dependent Claim
32 words
A cup-like receptacle adapted to receive a liquid, which receptacle has a sight passageway for analysis of the contents thereof, and means for rupturing an encapsulated globule of said liquid received therein.
Claim 28
Dependent Claim
32 words
A cup-like receptacle adapted to receive a liquid, which receptacle has a sight passageway for analysis of the contents thereof, and means for rupturing an encapsulated globule of said liquid received therein.
Claim 29
Dependent Claim
23 words
The receptacle of claim 25 wherein said rupturing means comprises means for rupturing an immiscible liquid encapsulated globule of said liquid received therein.
Claim 30
Dependent Claim
19 words
The receptacle of claim 25 wherein said rupturing means comprises a plurality of inwardly extending projections of hydrophilic material.
Claim 31
Dependent Claim
56 words
A reaction tray comprising a plurality of reaction cuvettes, said tray adapted to be moved relative to a liquid dispensing station to successively advance each cuvette to said liquid dispensing station, wherein each cuvette has a sight passageway for analysis of the contents thereof, and means for rupturing an immiscible liquid encapsulated globule of said liquid.
Claim 32
Dependent Claim
56 words
A reaction tray comprising a plurality of reaction cuvettes, said tray adapted to be moved relative to a liquid dispensing station to successively advance each cuvette to said liquid dispensing station, wherein each cuvette has a sight passageway for analysis of the contents thereof, and means for rupturing an immiscible liquid encapsulated globule of said liquid.
Claim 33
Dependent Claim
23 words
The reaction tray of claim 28 wherein the rupturing means of each cuvette comprises a plurality of inwardly extending projections of hydrophilic material.
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) | 1985-11-01 | 1986-05-03 | 1986-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-11-01 | 1990-05-03 | 1990-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-11-01 | 1994-05-03 | 1994-11-02 | $7700.00 | Window Closed / Lapsed |