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Official data from INPI

CONJUNTO DE FREIO A TAMBOR ATUADO POR CUNHA

ConcedidaInvention Patent

Application data

Number

PI8300607

Type

Invention Patent

Filing

02/05/1982

Publication

11/08/1983

Progress at the INPI

  1. Filing02/05/82
  2. Publication11/08/83
  3. Examination03/11/86
  4. Allowance12/16/86
  5. Grant10/27/87
  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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP [US]

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Inventors

K. A. (pessoa física)

O. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/27/1987

RPI 888

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

03/11/1986

RPI 803

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

Patente extinta em 03/02/98

08/19/2008

RPI 1963

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