Vacuum-operated suction cup
Description
FIG. 1 is a bottom plan view of a vacuum-operated suction cup showing my new design;
FIG. 2 is a side elevational view thereof, the opposing left and right sides being the same in appearance as the side shown;
FIG. 3 is a top plan view thereof;
FIG. 4 is a cross-section taken on line 4--4 of FIG. 3; and
FIG. 5 is a perspective view from the bottom thereof.
Referenced Cited
U.S. Patent Documents
Other references
D246499 | November 29, 1977 | Poulsen et al. |
D246500 | November 29, 1977 | Poulsen et al. |
1400573 | December 1921 | Stader |
3910620 | October 1975 | Sperry |
4073602 | February 14, 1978 | Cagle |
4214785 | July 29, 1980 | Broch |
- J. C. Whitney & Co., .COPYRGT.1974, p. 115, Item #75-3232 Vacuum Suction Disc.
Patent History
Patent number: D269939
Type: Grant
Filed: Jul 14, 1980
Date of Patent: Aug 2, 1983
Assignee: Mekaran Trading Aktiebolag
Inventor: Mauritz Norman (Sodertalje)
Primary Examiner: Bernard Ansher
Law Firm: Lerner, David, Littenberg, Krumholz & Mentlik
Application Number: 6/168,697
Type: Grant
Filed: Jul 14, 1980
Date of Patent: Aug 2, 1983
Assignee: Mekaran Trading Aktiebolag
Inventor: Mauritz Norman (Sodertalje)
Primary Examiner: Bernard Ansher
Law Firm: Lerner, David, Littenberg, Krumholz & Mentlik
Application Number: 6/168,697
Classifications