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:
May. 20, 2025
Filed:
Aug. 23, 2022
Applicant:
Smt Corporation, Suwon-si, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); B32B 1/08 (2006.01); B32B 5/20 (2006.01); B32B 15/18 (2006.01); B32B 37/00 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32477 (2013.01); B32B 1/08 (2013.01); B32B 5/20 (2013.01); B32B 15/18 (2013.01); B32B 37/0076 (2013.01); H01J 37/32082 (2013.01); B32B 2255/06 (2013.01); B32B 2255/205 (2013.01); B32B 2266/0207 (2013.01); B32B 2311/00 (2013.01); B32B 2311/12 (2013.01); B32B 2311/30 (2013.01); B32B 2319/00 (2013.01); B32B 2457/00 (2013.01); H01J 2237/0203 (2013.01);
Abstract
A core insertion type spiral tube includes: a spiral metal tube having an empty space therein; and an elastic core member positioned inside said spiral metal tube.