Wheelchair ramp base
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Description
The broken line showing of elements in the figures is included for the purpose of illustrating environment and forms no part of the claimed design.
Claims
The ornamental design for a wheelchair ramp base, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- Prairie View Industries, Inc. Multi-Fold Ramp, marketing brochure for prior Multi-Fold Ramp on sale more than one year prior to the filing date of the present application.
- U.S. Appl. No. 09/491,138 entitled Wheelchair Ramp With Reinforced Hinge filed Jan. 26, 2000 (abandoned Oct. 31, 2001).
Patent History
Patent number: D602673
Type: Grant
Filed: Oct 1, 2008
Date of Patent: Oct 20, 2009
Assignee: Prairie View Industries, Inc. (Fairbury, NE)
Inventor: Richard D. Allen (Fairbury, NE)
Primary Examiner: Cynthia E Ramirez
Attorney: Stinson Morrison Hecker LLP
Application Number: 29/325,475
Type: Grant
Filed: Oct 1, 2008
Date of Patent: Oct 20, 2009
Assignee: Prairie View Industries, Inc. (Fairbury, NE)
Inventor: Richard D. Allen (Fairbury, NE)
Primary Examiner: Cynthia E Ramirez
Attorney: Stinson Morrison Hecker LLP
Application Number: 29/325,475
Classifications
Current U.S. Class:
Ramp (D34/32)