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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM MATERIAL DE FRICÇÃO, E PROCESSO PARA A PREPARAÇÃO DE PRODUTOS DE FRICÇÃO MOLDADOS.

Em ExigênciaInvention Patent

Application data

Number

PI8401866

Type

Invention Patent

Filing

04/23/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing04/23/84
  2. Publication11/26/85
  3. Examination11/24/87
  4. Allowance01/09/90
  5. Grant12/26/90
  6. Terminated09/05/95

The patent was granted on 12/26/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

W. S. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

09/13/1988

RPI 934

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

Publicação do pedido de patente

#3.1

11/26/1985

RPI 788

Pedido de patente depositado

#2.1

06/26/1984

RPI 714

Anuidade - prazo legal encerrado

#18.2

09/05/1995

RPI 1292

Concessão da patente

#16.1

12/26/1990

RPI 1047

110

10/23/1990

RPI 1038

Recurso

#12.1

05/15/1990

RPI 1018

Deferimento

#9.1

01/09/1990

RPI 1001

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