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Official data from INPI

DISPOSITIVO DE FREIO

ConcedidaInvention Patent

Application data

Number

PI8207936

Type

Invention Patent

Filing

11/02/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing11/02/81
  2. Publication09/20/83
  3. Examination06/25/85
  4. Allowance07/14/87
  5. Grant12/29/87
  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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODRICH CO B F [US]

See this company's full portfolio

Inventors

R. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

11/10/1987

RPI 890

Deferimento

#9.1

07/14/1987

RPI 873

Exigência - art. 36 da LPI

#6.1

06/24/1986

RPI 818

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Retificação da notificação da fase nacional - PCT

#1.3.1

11/08/1983

RPI 681

Notificação de entrada na fase nacional - PCT

#1.3

09/20/1983

RPI 674

Carta-patente expirada

#21.1

Patente extinta em 08/10/97

08/19/2008

RPI 1963

Pedido de licença compulsória

#20.1

08/11/1992

RPI 1132

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