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:
Nov. 27, 2012
Filed:
Oct. 21, 2003
Applicant:
Angus Peter Robson, Matamata, NZ;
Inventor:
Angus Peter Robson, Matamata, NZ;
Assignee:
Terminator IP II SA, Luxembourg, LU;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a drop hammer assembly including a drop hammer configured with at least two end conditions, characterized in that the position of the end conditions can be reversed when required. Also claimed is a method of reversing the drop hammer with respect to the drop hammer housing.