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Official data from INPI

DISPOSITIVO DE VÁLVULA DE FLUÍDO

ConcedidaInvention Patent

Application data

Number

PI8502928

Type

Invention Patent

Filing

06/19/1985

Publication

03/04/1986

Progress at the INPI

  1. Filing06/19/85
  2. Publication03/04/86
  3. Examination08/05/86
  4. Allowance04/04/89
  5. Grant09/26/89
  6. Terminated10/02/90

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stanadyne, Inc.

US

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Inventors

R. G. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

622.701 · 06/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

08/01/1989

RPI 980

Deferimento

#9.1

04/04/1989

RPI 963

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

03/04/1986

RPI 802

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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