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:
Feb. 27, 1979
Filed:
Dec. 09, 1976
Applicant:
Inventor:
Kenneth M Coldren, Fort Wayne, IN (US);
Assignee:
M & W Gear Company, Gibson City, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01C / ;
U.S. Cl.
CPC ...
111-7 ; 172699 ; 172724 ; 172730 ;
Abstract
An improved fertilizer knife includes a main knife-shaped blade which is inclined in a forward direction and which has a fertilizer discharge tube along its trailing edge for discharge of liquid fertilizer into the soil. A pair of wings attached to the main blade extend transversely. The wings lie in a plane generally parallel to the soil surface. The wings are swept back and include optional tip members.
Coldren, Kenneth. (1979). Cultivator and liquid fertilizer blade (U.S. Patent No. 4141301). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4141301
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile