Hourglass timer
Description
FIG. 1 is a perspective view of an hourglass timer showing my new design.
FIG. 2 is a top plan view thereof, the bottom plan view being a mirror image thereof;
FIG. 3 is a typical side elevational view thereof.
A broken-line showings of the sand level in FIGS. 1 and 3 are for environmental purposed and form no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| 2358791 | September 1944 | Collopy |
| 3707842 | January 1973 | Spivak |
| 0007283 | January 1984 | JPX |
Patent History
Patent number: D321669
Type: Grant
Filed: Nov 14, 1988
Date of Patent: Nov 19, 1991
Inventor: George Hoehne (Glen Cove, NY)
Primary Examiner: Nelson C. Holtje
Application Number: 7/271,063
Type: Grant
Filed: Nov 14, 1988
Date of Patent: Nov 19, 1991
Inventor: George Hoehne (Glen Cove, NY)
Primary Examiner: Nelson C. Holtje
Application Number: 7/271,063
Classifications
Current U.S. Class:
Sandglass (D10/44)
