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Official data from INPI

CONJUNTO DE VÁLVULA ROTATIVA E PROCESSO DE MONTAGEM DE UMA VÁLVULA ROTATIVA

PublicadaInvention Patent

Application data

Number

PI8701755

Type

Invention Patent

Filing

04/13/1987

Publication

01/12/1988

Progress at the INPI

  1. Filing04/13/87
  2. Publication01/12/88
  3. Examination06/19/90
  4. Allowance07/23/91
  5. Grant05/26/92
  6. Terminated10/17/95

The patent was granted on 05/26/1992 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: 01/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRW Cam Gears Limited

GB

Inventors

A. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

86 09018 · 04/14/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/12/1988

RPI 899

Pedido de patente depositado

#2.1

07/21/1987

RPI 874

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

11/19/1991

RPI 1094

Deferimento

#9.1

07/23/1991

RPI 1077

Exigência - art. 36 da LPI

#6.1

02/26/1991

RPI 1056

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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