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:
Jun. 15, 1976
Filed:
Jul. 29, 1974
Applicant:
Inventors:
Stanley O Hutchison, Bakersfield, CA (US);
Glenn W Anderson, Oildale, CA (US);
Gordon L Newby, Bakersfield, CA (US);
Assignee:
Chevron Research Company, San Francisco, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; C08L / ;
U.S. Cl.
CPC ...
260-5 ; 73151 ; 138177 ; 260 / ;
Abstract
An impression packer for use in obtaining impressions in wells and having an impression sleeve formed of a mixture of partially curved synthetic nitrile rubber, natural rubber smoked sheet, silica powder and rubber processing oil.
Hutchison, Stanley. (1976). Impression material for use in an impression packer (U.S. Patent No. 3963654). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3963654
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile