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US3745091A Expired / Lapsed US ⏱️ 0.0 years remaining

Biological reaction chamber apparatus

Assignee: NUNC INCORPORATED A DE CORP
•
Filing: 1970-11-18
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Granted: 1973-07-10
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Expires: 1990-11-18
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Abstract

Abstract BIOLOGICAL REACTION CHAMBER APPARATUS HAVING A BOTTOM WALL SIDEWALLS WHICH IS USEFUL, FOR EXAMPLE, TO PRODUCE A TISSUE CULTURE DIRECTLY ON A BASE, SUCH AS A MICROSCOPE SLIDE, FOR SUBSEQUENT EXAMINATION AND STORAGE COMPRISES IN COMBINATION A BASE WHICH FORMS THE BOTTOM OF SAID CHAMBER AND A RECEPTACLE REMOVABLY ADHESIVELY ATTACHED IN LIQUID-IMPERMEABLE CONTACT TO SAID BASE WHICH RECEPTACLE FORMS THE SIDEWALLS OF SAID CHAMBER. IN ONE USE OF THIS APPARATUS, A LIQUID TISSUE CULTURE MEDIUM CAN BE PLACED IN THE RECEPTACLE CHAMBER IN CONTACT WITH THE BASE, THE MEDIUM IS INCUBATED TO ALLOW THE TISSUE CULTURE TO GROW AND TO ATTACH SUCH GROWTH TO THE BASE. THE LIQUID MEDIUM IS THEN REMOVED FROM THE CHAMBER, AND THE RECEPTACLE IS REMOVED FROM THE BASE. THE TISSUE CULTURE GROWTH ON THE BASE CAN THEN BE TREATED AS DESIRED AND MICROSCOPICALLY EXAMINED.

Inventors

  • 👤 J Mccormick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:55
CPC Classifications
C; C12; C12M; C12M23/00; C12M23/02; C12M23/12; B; B01; B01L; B01L3/00; B01L3/50; B01L3/508; B01L3/5085; C12M23/38; G; G01; G01N; G01N1/00; G01N1/28

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) 1976-07-09 1977-01-08 1977-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-07-09 1981-01-08 1981-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-07-09 1985-01-08 1985-07-10 $7700.00 Window Closed / Lapsed

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