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US5269671A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for embedding tissue samples

Assignee: Leica Biosystems Richmond Inc
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Filing: 1992-02-11
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Granted: 1993-12-14
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Expires: 2012-02-11
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Abstract

Abstract The present invention is directed to a system for providing an embedded tissue specimen subsequent to fluid treatment of the specimen and preparatory to histological examination. The system includes the combination of a cassette for use in the preparation of tissue specimens for histological examination and an embedding mold having a first cavity for receiving the treated specimen and a second cavity for receiving the cassette in an interlocked position overlying the first cavity.

Inventors

  • 👤 James B. McCormick

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 00:33
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/28; G01N1/36; G01N1/30; G01N1/31; G01N2001/315

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 215 words
A system for providing an embedded tissue specimen subsequent to fluid treatment and preparatory to histological examination, comprising a combination of a cassette for use in the preparation of tissue specimens for histological examination and an embedding mold having a first cavity for receiving a treated specimen and a second cavity for receiving said cassette, said cassette having a front wall, side walls, a back wall and a bottom wall, said bottom wall having a plurality of apertures, said cassette having a sloping false wall terminating in a front lip, said embedding mold having a front wall sloping away from said false wall, a resilient member affixed to said sloping front wall of said embedding mold for engagement with said front lip at the terminus of said sloping false wall of said cassette and said embedding mold having at least one flange affixed to the back wall for engagement of the back wall of said cassette, whereby when said cassette back wall is inserted under said embedding mold flange and said front lip of the terminus of said sloping false wall of said cassette is pressed under said resilient member, said cassette is placed in an interlocked position within said second cavity of said embedding mold and overlying said first cavity of said embedding mold.
Claim 2
Independent Claim 215 words
A system for providing an embedded tissue specimen subsequent to fluid treatment and preparatory to histological examination, comprising a combination of a cassette for use in the preparation of tissue specimens for histological examination and an embedding mold having a first cavity for receiving a treated specimen and a second cavity for receiving said cassette, said cassette having a front wall, side walls, a back wall and a bottom wall, said bottom wall having a plurality of apertures, said cassette having a sloping false wall terminating in a front lip, said embedding mold having a front wall sloping away from said false wall, a resilient member affixed to said sloping front wall of said embedding mold for engagement with said front lip at the terminus of said sloping false wall of said cassette and said embedding mold having at least one flange affixed to the back wall for engagement of the back wall of said cassette, whereby when said cassette back wall is inserted under said embedding mold flange and said front lip of the terminus of said sloping false wall of said cassette is pressed under said resilient member, said cassette is placed in an interlocked position within said second cavity of said embedding mold and overlying said first cavity of said embedding mold.

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) 1996-12-13 1997-06-14 1997-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2000-12-13 2001-06-14 2001-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2004-12-13 2005-06-14 2005-12-14 $7700.00 Window Closed / Lapsed

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