The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 1980
Filed:
Mar. 19, 1979
Applicant:
Inventor:
Bernard F Whalen, Colchester, IL (US);
Assignee:
Yetter Manufacturing Company, Colchester, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01B / ;
U.S. Cl.
CPC ...
172551 ; 172573 ; 172451 ;
Abstract
A multiple rotary hoe including individual hoe wheels mounted in front and rear rows with an individual support arm for each wheel and all of the support arms having a common axis mounted on a single pivot shaft for independent pivoting action in response to upward and downward movements of the hoe wheels with such movements counteracted by spring means exerting downward pressure on each support arm independently of all of the remaining arms.
Whalen, Bernard. (1980). Multiple rotary hoe and support arms (U.S. Patent No. 4194575). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4194575
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile