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.

Date of Patent:
May. 13, 2025

Filed:

Jan. 28, 2021
Applicant:

Keystone Tower Systems, Inc., Denver, CO (US);

Inventors:

Eric D. Smith, Denver, CO (US);

Loren Daniel Bridgers, Golden, CO (US);

Rosalind K. Takata, Denver, CO (US);

Assignee:

Keystone Tower Systems, Inc., Denver, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 9/14 (2006.01); B21B 1/22 (2006.01); B21B 1/28 (2006.01); B21B 23/00 (2006.01); B21B 27/02 (2006.01); B21B 31/00 (2006.01); B21B 39/34 (2006.01); F16L 9/16 (2006.01); B21B 15/00 (2006.01);
U.S. Cl.
CPC ...
F16L 9/14 (2013.01); B21B 1/224 (2013.01); B21B 1/28 (2013.01); B21B 23/00 (2013.01); B21B 27/021 (2013.01); B21B 31/00 (2013.01); B21B 39/34 (2013.01); F16L 9/16 (2013.01); B21B 2015/0092 (2013.01); B21B 2205/04 (2013.01);
Abstract

According to one aspect, a tubular structure may include a base and a wrap. The base may have a first surface and second surface opposite one another, the first surface defining an elongate cavity, and the base having a tubular shape defining a longitudinal axis extending along the elongate cavity. The wrap may be supported on the second surface of the base, the wrap including a plurality of layers, and each layer having a first longitudinal edge and a second longitudinal edge coupled to one another along a respective spiral seam associated with the given layer and extending about the longitudinal axis of the base.


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