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Official data from INPI

DISPOSITIVO VALVULAR DE CONTROLE PARA SERVOMOTORES ACIONADOS POR PRESSAO DE FLUIDO

Em AnáliseInvention Patent

Application data

Number

PI8107242

Type

Invention Patent

Filing

11/10/1980

Publication

07/27/1982

Progress at the INPI

  1. Filing11/10/80
  2. Publication07/27/82
  3. Examination10/02/84
  4. Allowance12/17/85
  5. Grant04/28/87
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BENDIX CORP [US]

See this company's full portfolio

Inventors

H. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

06/14/1988

RPI 921

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

01/06/1987

RPI 846

110

10/14/1986

RPI 834

Recurso

#12.1

03/18/1986

RPI 804

Deferimento

#9.1

12/17/1985

RPI 791

Pedido de certificado de adição de invenção

#5.1

03/05/1985

RPI 750

Solicitação de exame técnico

#4.1

10/02/1984

RPI 728

Publicação do pedido de patente

#3.1

07/27/1982

RPI 614

Pedido de patente depositado

#2.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

Patente extinta em 09/11/96

08/19/2008

RPI 1963

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