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Official data from INPI

TAMPA DE FÁCIL ABERTURA PARA LATAS DE BEBIDAS FABRICADAS COM FOLHA DE FLANDRES.

PublicadaInvention Patent

Application data

Number

PI8801043

Type

Invention Patent

Filing

03/10/1988

Publication

10/03/1989

Progress at the INPI

  1. Filing03/10/88
  2. Publication10/03/89
  3. Abandoned01/08/91
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Siderúrgica Nacional - Grupo Siderbrás

RJ, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

10.1

06/18/1991

RPI 1072

Pedido de certificado de adição de invenção

#5.1

04/09/1991

RPI 1062

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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