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Official data from INPI

CÉLULA E PROCESSO ELETROLÍTICOS

ArquivadaInvention PatentPCT · US1988004565

Application data

Number

PI8807392

Type

Invention Patent

Filing

12/19/1988

Publication

03/20/1990

PCT

US1988004565

Progress at the INPI

  1. Filing12/19/88
  2. Publication03/20/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/19/1988 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: 11/26/1991. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Aluminum Company Of America

US

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Inventors

A. L. (pessoa física)

J. P. (pessoa física)

J. L. (pessoa física)

T. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

138.391 · 12/28/1987

US

197.889 · 05/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

Notificação de entrada na fase nacional - PCT

#1.3

03/20/1990

RPI 1010

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