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:
Jan. 29, 2013
Filed:
Feb. 25, 2009
Applicant:
Timothy A. Andrzejak, Missouri City, TX (US);
Inventor:
Timothy A. Andrzejak, Missouri City, TX (US);
Assignee:
Schlumberger Technology Corporation, Sugar Land, TX (US);
Primary Examiner:
Int. Cl.
CPC ...
F42B 1/036 (2006.01);
U.S. Cl.
CPC ...
Abstract
An initiator device, comprising an explosive foil initiator; an initiator shaped charge that is activated by the explosive foil initiator; the initiator shaped charge comprising an outer casing having an opening therein defining a volume, an explosive located inside the opening, the explosive defining a concave cavity therein; a metal liner lining the concave cavity; and a detonation cord that is activated by the initiator shaped charge.