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Official data from INPI

SEM TITULO

PublicadaInvention Patent

Application data

Number

PI8702746

Type

Invention Patent

Filing

05/28/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing05/28/87
  2. Publication03/01/88
  3. Abandoned08/28/90
  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: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

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Inventors

B. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

08/18/1987

RPI 878

Arquivamento - Art. 36 §1° da LPI

#11.2

05/04/1993

RPI 1170

Exigência - art. 36 da LPI

#6.1

10/27/1992

RPI 1143

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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