Vacuum Pump

The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee. 1. Vacuum pump 2. Vacuum pump 1 . 1 : Perspective 1 . 2 : Front 1 . 3 : Back 1 . 4 : Left 1 . 5 : Right 1 . 6 : Top 1 . 7 : Bottom 2 . 1 : Perspective 2 . 2 : Front 2 . 3 : Back 2 . 4 : Left 2 . 5 : Right 2 . 6 : Top 2 . 7 : Bottom 1. Name of product in which the design is embodied: vacuum pump; 2. Intended use of the product: generating a partial vacuum in a volume; 3. Key design feature: shape, pattern or combination thereof; 4. View best illustrating the key design feature: perspective view of the first design; 5. Basic design: the first design; The parts shown by means of broken lines in the reproductions of design 1 are not part of the claimed design; The parts colored pink in the reproductions of design 2, which correspond to the broken lines of design 1, are not part of the claimed design.