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Official data from INPI

FREIO A DISCO

ConcedidaInvention Patent

Application data

Number

PI8107337

Type

Invention Patent

Filing

11/13/1980

Publication

08/03/1982

Progress at the INPI

  1. Filing11/13/80
  2. Publication08/03/82
  3. Examination09/18/84
  4. Allowance05/12/87
  5. Grant09/29/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DBA SA [FR]

See this company's full portfolio

Inventors

D. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

100

05/12/1987

RPI 864

Petição de recurso

#12.2

09/16/1986

RPI 830

Indeferimento

#9.2

05/20/1986

RPI 813

Conhecimento de parecer técnico

#7.1

05/28/1985

RPI 762

Pedido de certificado de adição de invenção

#5.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/03/1982

RPI 615

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

Patente extinta em 12/11/96

08/19/2008

RPI 1963

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