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Official data from INPI

VAGÃO-PLATAFORMA FERROVIÁRIO COM CENTRO REBAIXADO DE DUPLO EMPREGO

ArquivadaInvention PatentPCT · US1990002221

Application data

Number

PI9007321

Type

Invention Patent

Filing

04/24/1990

Publication

04/28/1992

PCT

US1990002221

Progress at the INPI

  1. Filing04/24/90
  2. Publication04/28/92
  3. Abandoned03/30/93
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/06/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Burlington Northern Railroad Company

US

Inventors

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

343.036 · 04/25/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/06/1994

RPI 1253

Exigência - art. 36 da LPI

#6.1

04/05/1994

RPI 1218

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

04/28/1992

RPI 1117

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