Portable shade structure
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Description
Portions of the claimed design are shown separated using line breaks to indicate indeterminate length.
Claims
The ornamental design for a portable shade structure, as shown and described.
Referenced Cited
U.S. Patent Documents
4084598 | April 18, 1978 | Rainwater |
D266178 | September 14, 1982 | Lotterer |
4347690 | September 7, 1982 | Wallace, Jr. |
5295335 | March 22, 1994 | Collier |
D374088 | September 24, 1996 | Collier |
D387839 | December 16, 1997 | Pysell |
D389219 | January 13, 1998 | Liu |
D415572 | October 19, 1999 | Goldwitz |
D420751 | February 15, 2000 | Powell et al. |
D449115 | October 9, 2001 | Harris et al. |
6505638 | January 14, 2003 | Powell et al. |
6564817 | May 20, 2003 | Tseng |
Patent History
Patent number: D577092
Type: Grant
Filed: Nov 19, 2007
Date of Patent: Sep 16, 2008
Assignee: Framelock Structures Pty Ltd (Northern Territory)
Inventor: Colin Campbell West (Northern Territory)
Primary Examiner: Holly H Baynham
Assistant Examiner: Cynthia M Chin
Attorney: Rothwell, Figg, Ernst & Manbeck, P.C.
Application Number: 29/297,800
Type: Grant
Filed: Nov 19, 2007
Date of Patent: Sep 16, 2008
Assignee: Framelock Structures Pty Ltd (Northern Territory)
Inventor: Colin Campbell West (Northern Territory)
Primary Examiner: Holly H Baynham
Assistant Examiner: Cynthia M Chin
Attorney: Rothwell, Figg, Ernst & Manbeck, P.C.
Application Number: 29/297,800
Classifications
Current U.S. Class:
Shelter Type (e.g., Substantially Open Or Without Closure) (D21/837)