US3754872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Test tube for body liquids
Assignee: Siemens AG
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Filing: 1971-03-18
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Granted: 1973-08-28
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Expires: 1991-03-18
Abstract
Abstract A little test tube is used to receive body liquids in an automated analyzer. The tube has a portion receiving the liquid, a supporting portion and a further portion carrying coded data for identification of the liquid being tested. The invention is particularly characterized in that the shell of the tube extends axially beyond the part receiving the liquid for receiving stamped coded data.
Inventors
- 👤 K Zauft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:09
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/00584; G01N35/00722; G01N35/00732; B; B01; B01L; B01L3/00; B01L3/54; B01L3/545; B01L3/5453; G01N21/00; G01N21/01; G01N21/03; G01N2035/00742; G01N2035/00772
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A test tube in accordance with claim 1, wherein the outer surface of the first chamber located directly above the second chamber is provided with clear text inscriptions corresponding to the coded data.
Claim 2
Dependent Claim
27 words
A test tube ;in accordance with claim 2, wherein the upper surface of said bead is provided with said clear text inscriptions corresponding to the coded data.
Claim 3
Dependent Claim
37 words
A test tube in accordance with claim 1, wherein said wall of said second chamber has an angular cross-section providing a plurality of flat outer surfaces for the impression of groups of holes constituting said coded data.
Claim 4
Dependent Claim
21 words
A test tube in accordance with claim 1, wherein said bead consists of a toothed rim located upon its outer surface.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |