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US2755173A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for effecting tests for pullorum and the like

Assignee: Individual
•
Filing: 1953-12-01
•
Granted: 1956-07-17
•
Expires: 1973-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Vernon W Shore

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:19
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; A; A61; A61B; A61B10/00; B; B01; B01F; B01F29/00; B01F29/80; B01F29/83; B01F31/00; B01F31/20; B01F31/26; B01L; B01L1/00; B01L1/02; B01L3/00; B01L3/50; B01L3/508; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 194 words
AN APPARATUS FOR CONDUCTING BIOLOGICAL TESTS REQUIRING THOROUGH MIXING OF A SMALL LIQUID TEST SAMPLE CONSISTING OF A DROP OF SERUM AND A DROP OF BLOOD TO BE TESTED COMPRISING, A BASE, A TEST PLATE DIVIDED INTO A PLURALITY OF SEPARATE AREAS FOR RECEIVING SEPARATE TEST SAMPLES, A PLATFORM FOR SUPPORTING SAID PLATE, AN UPRIGHT SHAFT ROTATABLY MOUNTED ON SAID BASE, MEANS MOUNTING SAID PLATFORM ON SAID SHAFT AND FOR ROTATIVELY CHANGING THE DIRECTION OF SLANT THEREOF AS THE SHAFT ROTATES, MEANS FOR ROTATING SAID SHAFT AT A PRESELECTED SPEED, SAID PLATFORM MOUNTING MEANS SUPPORTING SAID PLATFORM AT A PRESELECTED ANGLE TO THE HORIZONTAL AT WHICH THE MASS OF A TEST SAMPLE THEREON WILL FLOW IN A CIRCULAR PATH ADJACENT THE LOW SIDE OF THE WETTED AREA OF THE TEST SAMPLE WITHOUT BREAKING THE SURFACE TENSION OF THE TEST SAMPLE WHEN SAID SHAFT IS ROTATED AT SAID PRESELECTED SPEED, AND MEANS ATTACHED TO SAID PLATFORM FOR PREVENTING SUBSTANTIALLY ALL ROTARY MOTION OF SAID PLATFORM RELATIVE TO SAID BASE WHEREBY ONE TEST SAMPLE MAY BE APPLIED TO SAID TEST PLATE WHILE THE SHAFT IS ROTATING AND THE TEST SAMPLE PREVIOUSLY APPLIED THERETO IS UNDERGOING MIXING.
Claim 2
Independent Claim 194 words
AN APPARATUS FOR CONDUCTING BIOLOGICAL TESTS REQUIRING THOROUGH MIXING OF A SMALL LIQUID TEST SAMPLE CONSISTING OF A DROP OF SERUM AND A DROP OF BLOOD TO BE TESTED COMPRISING, A BASE, A TEST PLATE DIVIDED INTO A PLURALITY OF SEPARATE AREAS FOR RECEIVING SEPARATE TEST SAMPLES, A PLATFORM FOR SUPPORTING SAID PLATE, AN UPRIGHT SHAFT ROTATABLY MOUNTED ON SAID BASE, MEANS MOUNTING SAID PLATFORM ON SAID SHAFT AND FOR ROTATIVELY CHANGING THE DIRECTION OF SLANT THEREOF AS THE SHAFT ROTATES, MEANS FOR ROTATING SAID SHAFT AT A PRESELECTED SPEED, SAID PLATFORM MOUNTING MEANS SUPPORTING SAID PLATFORM AT A PRESELECTED ANGLE TO THE HORIZONTAL AT WHICH THE MASS OF A TEST SAMPLE THEREON WILL FLOW IN A CIRCULAR PATH ADJACENT THE LOW SIDE OF THE WETTED AREA OF THE TEST SAMPLE WITHOUT BREAKING THE SURFACE TENSION OF THE TEST SAMPLE WHEN SAID SHAFT IS ROTATED AT SAID PRESELECTED SPEED, AND MEANS ATTACHED TO SAID PLATFORM FOR PREVENTING SUBSTANTIALLY ALL ROTARY MOTION OF SAID PLATFORM RELATIVE TO SAID BASE WHEREBY ONE TEST SAMPLE MAY BE APPLIED TO SAID TEST PLATE WHILE THE SHAFT IS ROTATING AND THE TEST SAMPLE PREVIOUSLY APPLIED THERETO IS UNDERGOING MIXING.

References Cited (Backward Citations)

US1034400A Cited
US1688665A Cited
US1839573A Cited
US1871374A Cited
US2634359A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-07-17 1960-01-16 1960-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-07-17 1964-01-16 1964-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-07-17 1968-01-16 1968-07-17 $7700.00 Window Closed / Lapsed

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