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Official data from INPI

APERFEIÇOAMENTO EM PLACAS-FIXA E DESLIZANTE DA VÁLVULA-GAVETA EM USO NAS ACIARIAS E FUNDIÇÕES

Em AnáliseInvention Patent

Application data

Number

PI8502490

Type

Invention Patent

Filing

05/20/1985

Publication

12/30/1986

Progress at the INPI

  1. Filing05/20/85
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 05/20/1985. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 09/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. F. (pessoa física)

SP, BR

Inventors

C. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

09/01/1987

RPI 880

Solicitação de exame técnico

#4.1

04/22/1987

RPI 861

Publicação do pedido de patente

#3.1

12/30/1986

RPI 845

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Retificação

#15.3

02/06/1990

RPI 1005

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