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Official data from INPI

VÁLVULA DIRECIONAL DE ACIONAMENTO ROTATIVO.

ConcedidaInvention Patent

Application data

Number

PI8204176

Type

Invention Patent

Filing

07/19/1982

Publication

02/21/1984

Progress at the INPI

  1. Filing07/19/82
  2. Publication02/21/84
  3. Examination05/15/84
  4. Allowance09/08/87
  5. Grant06/28/88
  6. Terminated10/16/90

The patent was granted on 06/28/1988 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: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eberle Multimatrizes LTDA

RS, BR

Inventors

M. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

05/15/1984

RPI 708

Publicação do pedido de patente

#3.1

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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