Convertible billboard display
Claims
The ornamental design for a convertible billboard display, as shown and described.
626441 | June 1899 | Ramsey |
1635420 | July 1927 | Johnson |
2091260 | August 1937 | Farkas et al. |
2881662 | April 1959 | Harris |
4314635 | February 9, 1982 | Fraser et al. |
4541190 | September 17, 1985 | Weiner et al. |
5775919 | July 7, 1998 | Gardner |
D477634 | July 22, 2003 | Malone |
20040130139 | July 8, 2004 | Reising |
Type: Grant
Filed: Aug 16, 2005
Date of Patent: Jun 19, 2007
Inventor: William H. Shaffer (Cinnaminson, NJ)
Primary Examiner: Robert M. Spear
Assistant Examiner: Mary Ann Calabrese
Attorney: Stuart M. Goldstein
Application Number: 29/236,445