Patent ID: 11942726
Assignee: GRACO MINNESOTA INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  F | IPC F  H

Claim 16:
17. The heated hose assembly of claim 16, wherein:
the first key of the first electrical connector comprises a first cutout and a second cutout having identical geometry;
the second key of the second electrical connector comprises a first protrusion and a second protrusion having identical geometry;
the third key of the third electrical connector comprises a third cutout and a fourth cutout having identical geometry;
the fourth key of the fourth electrical connector comprises a third protrusion and a fourth protrusion having identical geometry;
the first cutout is shaped to accept the first protrusion and the second cutout is shaped to accept the second protrusion;
the third cutout is shaped to accept the third protrusion and the fourth cutout is shaped to accept the fourth protrusion;
the geometry of the first cutout differs from the geometry of the third cutout and the geometry of fourth cutout; and
the geometry of the first protrusion differs from the geometry of the third protrusion and the geometry of the fourth protrusion.