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Official data from INPI

PROCESSO PARA AUMENTAR A EFICIÊNCIA DE PROTEÇÃO DE UMA LINGOTEIRA SIDERÚRGICA E DE UM LINGOTE DE AÇO VAZADO PELO FUNDO E PÓ FUNDENTE EMPREGADO EM UMA LINGOTEIRA PARA PRODUÇÃO DE UM LINGOTE DE AÇO VAZADO PELO FUNDO

ArquivadaInvention PatentPCT · US1987001958

Application data

Number

PI8707766

Type

Invention Patent

Filing

08/10/1987

Publication

08/15/1989

PCT

US1987001958

Progress at the INPI

  1. Filing08/10/87
  2. Publication08/15/89
  3. Abandoned03/20/90
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

Inventors

M. K. (pessoa física)

R. P. (pessoa física)

Technical data

IPC Classification

Priority claims

US

896,067 · 08/13/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Arquivamento - Art. 36 §1° da LPI

#11.2

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

07/05/1994

RPI 1231

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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