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Official data from INPI

AREIA DE FUNDIÇÃO DE CARBONO, PROCESSO PARA PRODUÇÃO DE UMA PARTE DE METAL MOLDADA E PROCESSO PARA PROVER UMA SUPERFÍCIE DE AREIA DE CARBONO SOBRE UM MOLDE OU NÚCLEO

ArquivadaInvention Patent

Application data

Number

PI9104002

Type

Invention Patent

Filing

09/18/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing09/18/91
  2. Publication05/26/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/18/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/05/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Colloid Company

US

Inventors

E. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

585.298 · 09/19/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

10/22/1991

RPI 1090

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