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Official data from INPI

APARELHO DE SUSPENSÃO DE REBOQUE

Em AnáliseInvention PatentPCT · US1989001170

Application data

Number

PI8907332

Type

Invention Patent

Filing

03/21/1989

Publication

03/19/1991

PCT

US1989001170

Progress at the INPI

  1. Filing03/21/89
  2. Publication03/19/91
  3. Examination11/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 03/19/1991, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 06/21/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

Inventors

E. S. (pessoa física)

H. C. (pessoa física)

US

J. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

172.695 · 03/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

11/19/1991

RPI 1094

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1991

RPI 1059

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