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Official data from INPI

PROCESSO PARA A RECUPERAÇÃO ELETROLÍTICA DE CHUMBO DE REFUGO

PublicadaInvention Patent

Application data

Number

PI8701266

Type

Invention Patent

Filing

03/20/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/20/87
  2. Publication12/29/87
  3. Abandoned10/16/90
  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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

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Inventors

A. F. (pessoa física)

US

A. N. (pessoa física)

US

W. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

842,578 · 03/21/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

06/30/1987

RPI 871

Arquivamento - Art. 36 §1° da LPI

#11.2

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

14.4

11/12/1991

RPI 1093

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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