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Official data from INPI

PROCESSO PARA SINTETISAR ÓXIDO BINÁRIO CRISTALINO

PublicadaInvention Patent

Application data

Number

PI8703168

Type

Invention Patent

Filing

06/23/1987

Publication

03/08/1988

Progress at the INPI

  1. Filing06/23/87
  2. Publication03/08/88
  3. Examination12/04/90
  4. Allowance
  5. Grant
  6. In force

Published on 03/08/1988, 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: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

R. B. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

US

878555 · 06/26/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

09/29/1987

RPI 884

Retificação

#15.3

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

12/04/1990

RPI 1044

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