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Official data from INPI

PRATO DE VÁLVULA PARA UNIDADE HIDRÁULICA

DeferidaInvention Patent

Application data

Number

PI8506700

Type

Invention Patent

Filing

04/19/1985

Publication

04/15/1986

Progress at the INPI

  1. Filing04/19/85
  2. Publication04/15/86
  3. Examination02/09/88
  4. Allowance08/15/89
  5. Grant05/29/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

605,019 · 04/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

10/25/1988

RPI 940

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 19/04/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/02/1990

RPI 1000

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