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US3830703A Expired / Lapsed US ⏱️ 0.0 years remaining

Enteric bacilli differential apparatus

Assignee: Diagnostic Research Inc
•
Filing: 1973-02-02
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Granted: 1974-08-20
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Expires: 1993-02-02
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Abstract

Abstract THIS ENTERIC DIFFERENTIAL APPARATUS COMBINES FOURTEEN RECOGNIZED BIOCHEMICAL PARAMETERS IN A FOUR-TUBE CULTURE MEDIA IN SUCH A MANNER THAT EACH INDIVIDUAL SPECIES WITHIN THE FAMILY ENTEROBACTERIACEAE CAUSES THE MEDIA TO ASSUME A DISTINCTIVE APPEARANCE. TWO TUBES COMPRISE THE BASIC R/B DIFFERENTIAL SYSTEM. TWO ADDITIONAL TUBES COMPRISE AN EXPANDER SET. ONE OR BOTH OF THE EXPANDER TUBES MAY BE USED IN COMBINATION WITH THE BASIC SYSTEM. A UNIQUE TUBE FACILITATES INOCULATION, SEPARATES CULTURE MEDIA COMPONENTS TO PREVENT INTERACTION, THUS INCREASING SHELT LIFE, PROVIDES SHARP DIFFERENTIATION BETWEEN REACTIONS AND PERMITS THE USE OF SEMI-SOLID GELS TO OBTAIN MORE SENSITIVE DETERMINATION OF MOTILITY. THE TUBE MAY BE USED FOR OTHER CULTURE MEDIA TESTS. ANOTHER ADVANTAGE IS THAT THE TUBE PERMITS TRANSPORTATION OF SEMI-SOLID GEL MEDIA WITHOUT BREAKUP.

Inventors

  • 👤 O Beckford

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 18:48
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/04; C12Q1/10; C12M; C12M23/00; C12M23/02; C12M23/08; C12M23/34; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/873

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-08-19 1978-02-18 1978-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-19 1982-02-18 1982-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-19 1986-02-18 1986-08-20 $7700.00 Window Closed / Lapsed

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