US3751172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viewing rack
Assignee: Baxter International Inc
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Filing: 1972-03-24
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Granted: 1973-08-07
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Expires: 1992-03-24
Abstract
Abstract A rack constructed from a single blank is folded or bent into a shape to accommodate a plurality of test tubes. The rack may include an elongated light source to backlight a series of test tubes.
Inventors
- 👤 L Seitz
- 👤 E Miranda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:24
CPC Classifications
B; B01; B01L; B01L9/00; B01L9/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
240 words
A rack comprising a blank having a plurality of parallel elongated bends, a portion having an inverted V-shaped configuration, said portion including downwardly diverging legs, a horizontally extending base integral by a first of said bends with the end of the forwardly extending one of said legs, a first upwardly extending portion integral by a second of said bends with the opposite end of said base, a first shelf integral by a third of said bends with the top of said first upwardly extending portion extending towards said forwardly extending leg and spaced therefrom, a second upwardly extending portion integral by a fourth of said bends with the other end of said shelf, a second shelf integral by a fifth of said bends with the top of said second upwardly extending portion extending towards the same said leg, said second shelf having an elongated edge portion spaced from said leg, said second shelf having a plurality of openings, said second upwardly extending portion having a plurality of openings corresponding to the openings in said second shelf, each corresponding pair of said openings of said second shelf and said second upwardly extending portion being in substantially vertical alignment adapted to accommodate a test tube, and said first shelf and second shelf being parallel and displaced horizontally whereby when a test tube is positioned in a corresponding pair of said openings in said rack its top is inclined rearwardly from the vertical.
Claim 2
Dependent Claim
240 words
A rack comprising a blank having a plurality of parallel elongated bends, a portion having an inverted V-shaped configuration, said portion including downwardly diverging legs, a horizontally extending base integral by a first of said bends with the end of the forwardly extending one of said legs, a first upwardly extending portion integral by a second of said bends with the opposite end of said base, a first shelf integral by a third of said bends with the top of said first upwardly extending portion extending towards said forwardly extending leg and spaced therefrom, a second upwardly extending portion integral by a fourth of said bends with the other end of said shelf, a second shelf integral by a fifth of said bends with the top of said second upwardly extending portion extending towards the same said leg, said second shelf having an elongated edge portion spaced from said leg, said second shelf having a plurality of openings, said second upwardly extending portion having a plurality of openings corresponding to the openings in said second shelf, each corresponding pair of said openings of said second shelf and said second upwardly extending portion being in substantially vertical alignment adapted to accommodate a test tube, and said first shelf and second shelf being parallel and displaced horizontally whereby when a test tube is positioned in a corresponding pair of said openings in said rack its top is inclined rearwardly from the vertical.
Claim 3
Dependent Claim
52 words
The rack of claim 1 wherein the forwardly extending leg, the horizontally extending base, the first and second upwardly extending portion and the first and second shelf define a rectangular elongated space in which said fourth bend and said edge portion of said second shelf are equidistant from said forwardly extending leg.
Claim 4
Dependent Claim
80 words
The rack of claim 2 wherein an elongated housing is positioned in said space, the housing having a back, a bottom, a front and a top, the housing is supported at its back by said leg and by the first upwardly extending portion at the corner defined by the first and bottom of the housing, the housing having elongated light means, means in the housing to direct the light in the direction of the openings in said upwardly extending portion.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |