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:
Sep. 01, 2020
Filed:
Feb. 16, 2020
Applicants:
Stanley Yifei Liu, Warren, NJ (US);
Wesley Yiming Liu, Warren, NJ (US);
Zhiqiang Liu, Warren, NJ (US);
Genshen Liu, Niskayuna, NY (US);
Inventors:
Stanley YiFei Liu, Warren, NJ (US);
Wesley YiMing Liu, Warren, NJ (US);
Zhiqiang Liu, Warren, NJ (US);
Genshen Liu, Niskayuna, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42F 13/30 (2006.01); B42F 13/26 (2006.01); B42F 13/32 (2006.01); B42F 13/34 (2006.01);
U.S. Cl.
CPC ...
B42F 13/26 (2013.01); B42F 13/30 (2013.01); B42F 13/32 (2013.01); B42F 13/34 (2013.01);
Abstract
An adjustable ring having a curved section and two telescoping arms. Each telescoping arm comprises two or more tubes that move relative to each other in a concentric manner between a collapsed state and an extended state to accommodate various amounts of sheet or sheet-like materials. A ring binder can be constructed using one or more of the adjustable rings.