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Official data from INPI

PROCESSO PARA PRODUÇÃO DE UM MEIO DENSO, USO DO REFERIDO MEIO DENSO, MEIO DENSO, PROCESSO DMS E APARELHAGEM PARA PRODUÇÃO DE TAL MEIO

ArquivadaInvention Patent

Application data

Number

PI9001897

Type

Invention Patent

Filing

04/24/1990

Publication

07/30/1991

Progress at the INPI

  1. Filing04/24/90
  2. Publication07/30/91
  3. Abandoned12/10/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/24/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

De Beers Industrial Diamond Division (Proprietary) Limited

ZA

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Inventors

A. C. (pessoa física)

P. S. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8909429.6 · 04/25/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1996

RPI 1360

6.2

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

12/10/1991

RPI 1097

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

09/11/1990

RPI 1032

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