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. 06, 2012
Filed:
Nov. 03, 2008
Applicants:
David Keller, Cary, NC (US);
Jeff Rosenquist, Wendell, NC (US);
Robert Pruitt, Four Oaks, NC (US);
Allen L. Jones, Four Oaks, NC (US);
Inventors:
David Keller, Cary, NC (US);
Jeff Rosenquist, Wendell, NC (US);
Robert Pruitt, Four Oaks, NC (US);
Allen L. Jones, Four Oaks, NC (US);
Assignee:
Nexans, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A loose tube fiber optic cable having at least one optical fiber, a loose tube surrounding the fiber, with the tube having an irregular inner surface. A water swellable powder is provided around the fiber and inside the tube, where the particles of the water swellable powder rest in the irregular inner surface of the tube.