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Official data from INPI

REBOLO DE SEGMENTOS ABRASIVOS REVESTIDOS, E, PROCESSO PARA FABRICAR O MESMO.

Em AnáliseInvention Patent

Application data

Number

PI8503921

Type

Invention Patent

Filing

08/16/1985

Publication

03/24/1987

Progress at the INPI

Technical opinion to answer
  1. Filing08/16/85
  2. Publication03/24/87
  3. Examination06/09/87
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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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

Carborundum do Brasil Ltda

SP, BR

See this company's full portfolio

Inventors

W. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

10/03/1989

RPI 989

Deferimento

#9.1

07/18/1989

RPI 978

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação do pedido de patente

#3.1

03/24/1987

RPI 857

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Retificação

#15.3

06/16/1992

RPI 1124

120

03/05/1991

RPI 1057

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