Plunger
Description
FIG. 1 is a front perspective view of a plunger, showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a left side elevation view thereof, the opposite side being a mirror image of that shown;
FIG. 5 is a rear elevation view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a left side elevation view thereof, with the lower skirt member shown in elevated position and the vertical rod broken away in the middle for convenience of illustration.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
162605 | April 1875 | Bechler |
3130421 | April 1964 | Quinlan |
4745641 | May 24, 1988 | Tash |
431397 | November 1911 | FRX |
788778 | January 1958 | GBX |
Patent History
Patent number: D306756
Type: Grant
Filed: Jan 27, 1987
Date of Patent: Mar 20, 1990
Inventor: Jeanine F. Isakson (Bensenville, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Application Number: 7/7,421
Type: Grant
Filed: Jan 27, 1987
Date of Patent: Mar 20, 1990
Inventor: Jeanine F. Isakson (Bensenville, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Application Number: 7/7,421
Classifications
Current U.S. Class:
Hand Or Foot Operated Pump Or Well Curb (D23/231)