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US3607092A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic fluid sample apparatus

Assignee: Terumo BCT Inc
•
Filing: 1970-03-23
•
Granted: 1971-09-21
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Expires: 1990-03-23
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Abstract

Abstract An automatic fluid sample apparatus for the chemical analysis of fluids is described. In the apparatus, a plurality of samples are substantially simultaneously precisely measured out and diluted or mixed with the proper quantity of diluent and/or reagent. A series of tubing valves, preferably of the T-type, in one position permit sample containers having the desired sample volume to be filled with samples of fluid to be analyzed from a fluid source through the action of a vacuum pump. The valves are then placed in a second position whereby the samples flow from the sample containers to recipient containers and respective proper quantities of diluent or reagent are caused to flow through the valves and the sample containers into the recipient containers.

Inventors

  • 👤 Gordon W Neff
  • 👤 John E Tomko

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:34
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/38; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86083

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 17 words
An apparatus as defined in claim 1 wherein said valve means are adapted to be simultaneously operated.
Claim 2
Dependent Claim 17 words
An apparatus as defined in claim 2 wherein said valve means are tubing valves of the T-type.
Claim 3
Dependent Claim 35 words
An apparatus as defined in claim 3 wherein there is further included precision syringe means disposed intermediate said second fluid source and said first containers, and a T-type tubing valve associated with said syringe means.
Claim 4
Dependent Claim 18 words
An apparatus as defined in claim 3 and further including pump means associated with said second fluid source.
Claim 5
Dependent Claim 26 words
An apparatus as defined in claim 1 wherein said first containers are chosen to have a capacity substantially equal to the desired volumes of said samples.

References Cited (Backward Citations)

US2950396A Cited
US3012863A Cited
US3525592A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-09-20 1975-03-22 1975-09-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-09-20 1979-03-22 1979-09-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-09-20 1983-03-22 1983-09-21 $7700.00 Window Closed / Lapsed

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