Manhole guard
Description
FIG. 1 is a top and side perspective of my new manhole guard;
FIG. 2 is a side elevation; and,
FIG. 3 is a bottom plan view.
Claims
The ornamental design for a manhole guard, as shown and described.
Referenced Cited
U.S. Patent Documents
| 1370166 | March 1921 | Thiel |
| 2393126 | January 1946 | Stevenson |
| 3426659 | February 1969 | Clarke et al. |
| 3722730 | March 1973 | Joos |
| D245104 | July 19, 1977 | Gross |
| 4048766 | September 20, 1977 | Dantzer et al. |
| 4121390 | October 24, 1978 | Hall et al. |
| 4973191 | November 27, 1990 | Dannhauser |
| 5295557 | March 22, 1994 | Taylor |
| 5843306 | December 1, 1998 | Singleton |
| 6004457 | December 21, 1999 | Singleton |
| D453225 | January 29, 2002 | Andexler |
Patent History
Patent number: D539918
Type: Grant
Filed: Jul 19, 2005
Date of Patent: Apr 3, 2007
Inventor: Richard F. Denmon (Fort Pierce, FL)
Primary Examiner: Doris Clark
Attorney: William M. Hobby, III
Application Number: 29/234,385
Type: Grant
Filed: Jul 19, 2005
Date of Patent: Apr 3, 2007
Inventor: Richard F. Denmon (Fort Pierce, FL)
Primary Examiner: Doris Clark
Attorney: William M. Hobby, III
Application Number: 29/234,385
Classifications
Current U.S. Class:
Underground Service Vault (4) (D25/36)
