BORG-WARNER CORP. ET AL.

v.

PARAGON GEAR WORKS, INC.

Citator

Cited By

• United States v. Agrusa, 541 F.2d 690 (8th Cir. 1976)
  …statutory standard of § 3109. We have no occasion in this case to accept or reject this additional proposition. . United States v. Johns, 466 F. 2d 1364, 1365 (5th Cir. 1972); Fields v. United States, 355 F. 2d 543 (5th Cir. 1966), cert. dismissed, 384 U.S. 935, 86 S.Ct. 1452, 16 L.Ed.2d 536 (1966); United States v. Hassell, 336 F. 2d 684, 686 (6th Cir. 1964), cert. denied, 380 U.S. 965, 85 S.Ct. 1111, 14 L.Ed.2d 155 (1965). But cf. Wong Sun v. United States, 371 U.S. 471, 479-87, 83 S.Ct. 407, 9 L.Ed.2d 4…
• United States v. Francis, 646 F.2d 251 (6th Cir. 1981)
  …States v. Agrusa, 541 F. 2d 690, 700 (8th Cir. 1976), cert. denied, 429 U.S. 1045, 97 S.Ct. 751, 50 L.Ed.2d 759 (1977); United States v. Johns, 466 F. 2d 1364, 1365 (5th Cir. 1972); Fields v. United States, 355 F. 2d 543 (5th Cir.), cert. dismissed, 384 U.S. 935, 86 S.Ct. 1452, 16 L.Ed.2d 536 (1966); United States v. Has-sell, 336 F. 2d 684, 686 (6th Cir. 1964), cert. denied, 380 U.S. 965, 85 S.Ct. 1111, 14 L.Ed.2d 155 (1965). Hassell was decided without discussion of the § 3109 issue and on alternative gro…
• Gen. Instrument Corp. v. Hughes Aircraft Co., 399 F.2d 373 (1st Cir. 1968)
  …inciples which strike a compromise between the doctrine [of equivalents] and the alternative of holding a patentee to the language of his claims.” Borg-Warner Corp. v. Paragon Gear Works, Inc., 355 F. 2d 400, 404-405 (1st Cir. 1965), cert. dismissed 384 U.S. 935, 86 S.Ct. 1461, 16 L.Ed.2d 536 (1966). Were this doctrine only that of “estoppel” and nothing more, we would be inclined to treat this as a defense which, not having been asserted below, is deemed waived. But this doctrine is more. “It is a rule of…