Crane base fastener

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Description

FIG. 1 is an exploded environmental perspective view of the crane base fastener;

FIG. 2 is one end view of the design;

FIG. 3 is a top plan view thereof;

FIG. 4 is the other end view thereof;

FIG. 5 is one side view thereof;

FIG. 6 is the other side view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing in FIG. 1 illustrates the environment of the claimed design and forms no part thereof.

Claims

The ornamental design for a crane base fastener, as shown and described.

Referenced Cited
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Other references
  • towercranechina.com website, Aug. 24, 2012, Zhengzhou Unique Industrial Equipment Co., Ltd.; Shortlink http://wp.me/p2GhOC-9.
  • Liu, Jin-long et al.; A Design of Fabricated Concrete Foundation for Tower Crane; International Journal of Advancements in Computing Technology, pp. 934-944, vol. 5, No. 6, Mar. 2013.
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Patent History
Patent number: D811208
Type: Grant
Filed: Dec 27, 2016
Date of Patent: Feb 27, 2018
Inventor: John Rene Spronken (Calgary)
Primary Examiner: Sandra Snapp
Assistant Examiner: Ieisha Price
Application Number: 29/588,989
Classifications
Current U.S. Class: D8/382