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:
May. 02, 1989
Filed:
May. 17, 1988
Applicant:
Inventor:
Roger D Porter, Loris, SC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F / ; F16L / ;
U.S. Cl.
CPC ...
371425 ; 405174 ; 405179 ;
Abstract
A trench digging apparatus which is provided with a safety shield shaped to direct dug dirt back into the trench. The trench digger is also provided with a cable laying device which lays the cable in the dug trench ahead of the refilling dirt. A pipe pulling attachment may also be provided for laying a pipe while digging and refilling the trench.