Legal Opinion

Cramer & Haak v. 1900 Washer Co.

U.S. Circuit Court for the District of Middle Pennsylvania

Decided July 27, 1908No. 23PublishedCited by 1 opinion

In Equity. Suit for infringement of letters patent No. 829,631 for a washing machine issued to C. W. Cramer and H. C. Haak, August 28, 1906. On final hearing.

1Opinion of the Court

ARCHBALD, District Judge.

The complainants are the inventors of a washing machine, or tub for washing clothes, particularly adapted and designed for use with a water, steam, or electric motor. Tubs of the- class to which it belongs, up to that time, had been actuated solely by hand, being oscillated back and forth by means of a handle fixed to the rim of the tub, or a hand-moved lever with gearing or crank attachment; the motive force in either case being the human arm. But in changing from hand to machine power, the effect at the end of the stroke had to be looked to, which is taken care of…

2Cases cited3 opinions

  1. Hanifen v. ArmitageU.S. Circuit Court for the District of Eastern Pennsylvania · 1902
  2. Walker Patent Pivoted Bin Co. v. MillerU.S. Circuit Court for the District of Eastern Pennsylvania · 1906
  3. E. L. Watrous Mfg. Co. v. American Hardware Mfg. Co.District Court, N.D. Illinois · 1908

3Cited by1 opinion

  1. Eagle Wagon Works v. Columbia Wagon Co.U.S. Circuit Court for the District of Eastern Pennsylvania · 1910

Showing a preview — retrieve the full document via the Exa API.

Powered by the Exa API