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. 10, 1991
Filed:
Jun. 20, 1989
Applicant:
Inventors:
Neil L Holt, Foster City, CA (US);
Peter L Larsson, Los Altos, CA (US);
Manoochehr Mohebban, Belmont, CA (US);
Stephen E Sheehan, Newark, CA (US);
Jeffrey A Bennett, Mountain View, CA (US);
Assignee:
Raychem Corporation, Menlo Park, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01B / ;
U.S. Cl.
CPC ...
29631 ; 428 349 ; 428 351 ; 428 357 ; 428 368 ; 138103 ; 174 / ; 285 97 ;
Abstract
A double-walled article in the form of a tube having a small volume filling of a friction-reducing liquid or solid between its two walls. The article is able to revolve over a substrate by relative sliding motion between its two walls, to provide environmental or electrical protection.