Hydrometer
Description
FIG. 1 is a top perspective view of a hydrometer showing my new design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a side elevational view of another embodiment of my new design of FIGS. 1-5 with a stem sheath added thereto;
FIG. 7 is a bottom plan view of FIG. 6.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D266315
Type: Grant
Filed: Aug 12, 1980
Date of Patent: Sep 28, 1982
Inventor: Ulf S. Tamm (1224 Chene Bougerics)
Primary Examiner: Nelson C. Holtje
Attorney: Thomas R. Boland
Application Number: 6/177,501
Type: Grant
Filed: Aug 12, 1980
Date of Patent: Sep 28, 1982
Inventor: Ulf S. Tamm (1224 Chene Bougerics)
Primary Examiner: Nelson C. Holtje
Attorney: Thomas R. Boland
Application Number: 6/177,501
Classifications