Blackledge v. J. M. Shock Absorber Co.
District Court, N.D. Illinois
In' Equity. Suit by John W. Blackledge against the J. M. Shock Absorber Company and Albert J. Dueth and Alexander J. Dueth, doing business as the Alfredal Company. On final hearing.
1Opinion of the Court
SANBORN, District Judge.
Infringement suit on patent No. 988,-229, issued to Charles A. Tilt March 28, 1911, on a shock-absorbing *479device for automobiles, the latest form of which is called the “Velvet,” claiming infringement by a device known as the “J. M.” shock absorber, made under patent No. 1,015,682, January 23, 1912, by L. P. C. J. Jacquet, who is also known as Jacquet Maurel. Lack of novelty and noninfringement are pleaded in the answer, but at the hearing defendants’ counsel conceded the validity of the first two claims of the Tilt patent sued on, and stated that the only proposition…
2Cases cited1 opinion
- Acme Steel Goods Co. v. American Metal Fasteners Co.District Court, N.D. Illinois · 1913
3Cited by1 opinion
- Central Hanover Bank & Trust Co. v. SetlowDistrict Court, D. Connecticut · 1932