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Official data from INPI

APERFEIÇOAMENTO EM TENAZ ELETROMECÂNICA

PublicadaInvention Patent

Application data

Number

PI8801991

Type

Invention Patent

Filing

04/26/1988

Publication

11/21/1989

Progress at the INPI

  1. Filing04/26/88
  2. Publication11/21/89
  3. Abandoned08/07/90
  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.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica de Tubarão - Grupo Siderbrás

ES, BR

See this company's full portfolio

Inventors

J. J. (pessoa física)

BR

J. S. (pessoa física)

BR

J. B. (pessoa física)

BR

M. G. (pessoa física)

BR

S. S. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

08/30/1988

RPI 932

Arquivamento - Art. 36 §1° da LPI

#11.2

06/30/1992

RPI 1126

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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