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Official data from INPI

COMBINACAO DE UMA FERRAMENTA DE ABRASAO QUE TEM UMA SUPERFICIE SUPORTE GERALMENTE PLANA E UMA PECA FLEXIVEL DE BAIXA MASSA,MATERIAL EM FOLHA ABRASIVO REVESTIDO FLEXIVEL E PROCESSO PARA SUA FORMACAO

DeferidaInvention Patent

Application data

Number

PI8404297

Type

Invention Patent

Filing

08/31/1983

Publication

07/23/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing08/31/83
  2. Publication07/23/85
  3. Examination07/21/87
  4. Allowance03/01/88
  5. Grant
  6. In force

The application was allowed by the INPI on 03/01/1988. The grant of the letters patent is being processed.

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Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG [US]

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Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/16/1988

RPI 930

Deferimento

#9.1

03/01/1988

RPI 906

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

07/23/1985

RPI 770

Pedido de patente depositado

#2.1

11/06/1984

RPI 733

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