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Official data from INPI

VÁLVULA DE CONTROLE DE PRESSÃO DE CIRCUITO DUPLO PARA SISTEMA DE FORÇA DE FREIO HIDRÁULICO.

ConcedidaInvention Patent

Application data

Number

PI8102738

Type

Invention Patent

Filing

05/05/1981

Publication

01/26/1982

Progress at the INPI

  1. Filing05/05/81
  2. Publication01/26/82
  3. Examination04/03/84
  4. Allowance02/12/85
  5. Grant08/27/85
  6. Terminated06/20/95

The patent was granted on 08/27/1985 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: 08/27/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

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Inventors

S. B. (pessoa física)

T. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 17 728.7 · 05/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/27/1985

RPI 775

Notificação para pagamento de retribuição

#13.1

05/28/1985

RPI 762

Deferimento

#9.1

02/12/1985

RPI 747

Solicitação de exame técnico

#4.1

04/03/1984

RPI 702

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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