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:
Dec. 25, 1979
Filed:
Feb. 23, 1978
Applicant:
Inventors:
Ronald A Schuller, Tulsa, OK (US);
Robert I Clarkson, Tulsa, OK (US);
Assignee:
Geosource, Inc., Tulsa, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 86 ;
Abstract
A pipeline corrosion coupon holder apparatus for large diameter pipelines which has a coupon housing assembly mounted adjacent the pipeline with the coupon housing assembly allowing access to a coupon withdrawn from the pipeline for removal and replacement of the coupon through the coupon housing assembly without removal of the coupon through a shaft housing assembly which has a reciprocally mounted shaft for insertion and retrieval of the coupon from the large diameter pipeline.