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Official data from INPI

PROCESSO E APARELHO PARA MONITORAR A EFICIÊNCIA DE UM PROCESSO NO QUAL DIAMANTES OU PARTÍCULAS CONTENDO DIAMANTE SÃO SEPARADAS DAS PARTÍCULAS DE GANGA E ELEMENTO TRAÇADOR

PublicadaInvention Patent

Application data

Number

PI8805163

Type

Invention Patent

Filing

10/06/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing10/06/88
  2. Publication05/23/89
  3. Abandoned04/30/91
  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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

De Beers Industrial Diamond Division (Proprietary) Limited

ZA

See this company's full portfolio

Inventors

R. P. (pessoa física)

Technical data

IPC Classification

Priority claims

ZA

87/7527 · 10/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

02/14/1989

RPI 956

Arquivamento - Art. 36 §1° da LPI

#11.2

06/06/1995

RPI 1279

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Exigência - art. 36 da LPI

#6.1

02/01/1994

RPI 1209

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

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