Cell scraping device
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Description
FIG. 1 is a plan view of the cell scraper showing my new design;
FIG. 2 is a side elevation of the cell scraper;
FIG. 3 is an elevation view from the left end of FIG. 2;
FIG. 4 is an elevation view from the right end of FIG. 2.
Referenced Cited
Patent History
Patent number: D261807
Type: Grant
Filed: May 7, 1979
Date of Patent: Nov 10, 1981
Assignee: Merck & Co., Inc. (Rahway, NJ)
Inventors: Roy W. Grabner (Blue Bell, PA), William J. McAleer (Ambler, PA), Edward L. Paul (Chatham Township, Morris County, NJ)
Primary Examiner: Bernard Ansher
Attorneys: Donald J. Perrella, Hesna J. Pfeiffer
Application Number: 6/36,277
Type: Grant
Filed: May 7, 1979
Date of Patent: Nov 10, 1981
Assignee: Merck & Co., Inc. (Rahway, NJ)
Inventors: Roy W. Grabner (Blue Bell, PA), William J. McAleer (Ambler, PA), Edward L. Paul (Chatham Township, Morris County, NJ)
Primary Examiner: Bernard Ansher
Attorneys: Donald J. Perrella, Hesna J. Pfeiffer
Application Number: 6/36,277
Classifications
Current U.S. Class:
D24/28
International Classification: D2402;
International Classification: D2402;