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Official data from INPI

APERFEIÇOAMENTO EM VÁLVULA SOLENÓIDE

Prazo de SigiloInvention Patent

Application data

Number

PI8806287

Type

Invention Patent

Filing

11/25/1988

Publication

07/24/1990

Progress at the INPI

  1. Filing11/25/88
  2. Publication07/24/90
  3. Examination09/22/92
  4. Allowance10/13/93
  5. Grant08/30/94
  6. Terminated06/25/96

The patent was granted on 08/30/1994 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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Weber do Brasil Industria e Comercio Ltda

SP, BR

Inventors

M. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/08/1994

RPI 1214

Deferimento

#9.1

10/13/1993

RPI 1193

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Publicação do pedido de patente

#3.1

07/24/1990

RPI 1025

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