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Official data from INPI

PROCESSO PARA TRANSFERÊNCIA DE MINÉRIO EM PÓ A UM DEPÓSITO E UM SISTEMA DE CÉLULA ELETROLÍTICA , A PARTIR DE UM TANQUE DE ARMAZENAMENTO ESPAÇADO DO DEPÓSITO , E APARELHO PARA O MESMO.

ArquivadaInvention Patent

Application data

Number

PI8104575

Type

Invention Patent

Filing

07/16/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing07/16/81
  2. Publication04/06/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 07/16/1981 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/09/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUMINUM COMPANY OF AMERICA

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Inventors

A. C. (pessoa física)

B. R. (pessoa física)

C. (pessoa física)

F. A. (pessoa física)

G. T. (pessoa física)

J. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

169.648 · 07/17/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

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