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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.:

US 10477970 B1

PDFFull Text
Date of Patent:
Nov. 19, 2019

Filed:

Jan. 14, 2016

Gas cylinder

Applicant:

Samhongsa Co., Ltd., Seoul, KR;

Inventor:

Yong A. Park, Seoul, KR;

Assignee:

SAMHONGSA CO., LTD., Seoul, KR;

Attorney:

Kilpatrick Townsend & Stockton LLP

Primary Examiner:

Melanie Torres Williams

Int. Cl.
CPC ...
F16F 9/36 (2006.01); A47C 3/30 (2006.01); A47C 3/24 (2006.01); F16F 9/02 (2006.01); F16F 9/32 (2006.01); F16F 9/58 (2006.01);
U.S. Cl.
CPC ...
A47C 3/30 (2013.01); A47C 3/24 (2013.01); F16F 9/0245 (2013.01); F16F 9/3235 (2013.01); F16F 9/362 (2013.01); F16F 9/58 (2013.01);
Abstract

A gas cylinder includes: a base tube including a cavity; a spindle inserted into the cavity and performing a reciprocating motion in a longitudinal direction of the base tube; a cylinder mounted in the spindle and charged with gas; a piston dividing the cylinder into an upper chamber and a lower chamber; a valve portion sealing an upper portion of the cylinder and including a pipe holder having a cavity through which the gas is introduced; a flow prevention portion inserted into the spindle and having an inner surface contacting a surface of the spindle; and a spindle guide disposed between the base tube and the spindle and mounted to include at least a portion of the flow prevention portion.

Find Patent Forward Citations

Park, Yong. (2019). Gas cylinder (U.S. Patent No. 10477970). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10477970

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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