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Patent Searching and Data


Title:
Device for extracting soil cores for laboratory analysis
Document Type and Number:
United States Patent USD269844
Inventors:
Hackerson, John V. (Beardstown, IL)
Application Number:
D/224375
Publication Date:
July 26, 1983
Filing Date:
January 12, 1981
Export Citation:
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Assignee:
Hackerson, Mabel J. (Beardstown, IL)
Primary Class:
Other Classes:
Field of Search:
D8/1, D8/7, 47/73, 111/99, 111/7, 111/7.13, 111/7.1, 111/94, 111/95, D6/20, D6/22, 175/244, 175/249, 294/50, 294/50.7, D3/7, 73/864.44, 73/864.45, 73/864.63, 73/864.64, 172/22
Domestic Patent References:
1109446September, 1914Melberg738/644.4SOIL TESTER
1857693May, 1932Quintrell175/249Core barrel having core receptacle
2030770February, 1936Smith294/50.7Weed puller
2210440August, 1940Avary111/99Dandelion extractor
3218869November, 1965Fields et al.738/646.4Sampling apparatus
3464732September, 1969Woodward738/644.4HOLDER FOR SOIL TESTING INSTRUMENT
3707197December, 1972Walesch et al.738/644.4GROUND CORE REMOVING TOOL
4117896October, 1978Weber738/644.4Soil sampler
Foreign References:
NO71457August, 1947111/7.1
GB162171April, 1921111/99
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Fay Jr., Horace B.
Attorney, Agent or Firm:
McCaleb, Lucas & Brugman
Download PDF:
Claims:
1. The ornamental design for a device for extracting soil cores for laboratoryanalysis, substantially as shown.
Description:

FIG. 1 is a front elevation view of a device for extracting soil cores for laboratory analysis showing my new design;

FIG. 2 is a side elevation thereof seen from the left side of FIG. 1;

FIG. 3 is a side elevation thereof seen from the right side of FIG. 1;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a top perspective view thereof showing the device in open condition.