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Official data from INPI

APERFEIÇOAMENTO EM OU REFERENTE A SECADOR INTERMITENTE

Prazo de SigiloInvention Patent

Application data

Number

PI8902983

Type

Invention Patent

Filing

06/20/1989

Publication

12/26/1990

Progress at the INPI

  1. Filing06/20/89
  2. Publication12/26/90
  3. Examination05/26/92
  4. Allowance
  5. Grant
  6. In force

Published on 12/26/1990, 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: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Metalurgica Pagé Ltda

SC, BR

Inventors

G. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/01/1989

RPI 980

15.4

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

05/26/1992

RPI 1121

Publicação do pedido de patente

#3.1

12/26/1990

RPI 1047

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