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Official data from INPI

MECANISMO E MÉTODO DE CONTROLE DE PATINAÇÃO SÍNCRONA DE RODAS DE LOCOMOTIVA

ArquivadaInvention PatentPCT · US1989002754

Application data

Number

PI8907484

Type

Invention Patent

Filing

06/26/1989

Publication

05/21/1991

PCT

US1989002754

Progress at the INPI

  1. Filing06/26/89
  2. Publication05/21/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/26/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/29/1993. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

J. J. (pessoa física)

R. E. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

337,514 · 04/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

05/21/1991

RPI 1068

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