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Combination earth scraper and scarifier
US 2,578,131 A
Filed
: 04/05/1948
Issued
: 12/11/1951
Est. Priority Date
: 04/05/1948
Status: Expired due to Term
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Current Assignee
Roy C. Gannon
Original Assignee
Roy C. Gannon
Inventors
Gannon, Roy C.
Application Number
US03/018,907
Time in Patent Office
1,345 Days
Field of Search
US Class Current
172/136
CPC Class Codes
E02F 3/7604
Combinations of scraper bla...
E02F 3/7622
Scraper equipment with the ...
E02F 3/8152
Attachments therefor, e.g. ...
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