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Official data from INPI

APARELHO PARA A DESINCRUSTAÇÃO DA SUPERFÍCIE DE UMA TIRA

Em AnáliseInvention PatentPCT · SU1988000092

Application data

Number

PI8806903

Type

Invention Patent

Filing

04/20/1988

Publication

10/31/1989

PCT

SU1988000092

Progress at the INPI

  1. Filing04/20/88
  2. Publication10/31/89
  3. Examination07/09/91
  4. Allowance
  5. Grant
  6. In force

Published on 10/31/1989, 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cherepovetsky Filial Vologodskogo Politekhnicheskogo Instituta

SU

Inventors

A. I. (pessoa física)

A. P. (pessoa física)

A. S. (pessoa física)

E. G. (pessoa física)

J. Z. (pessoa física)

J. L. (pessoa física)

L. D. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Priority claims

SU

4225033 · 04/21/1987

SU

4340096 · 12/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Retificação

#15.3

05/24/1994

RPI 1225

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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