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Official data from INPI

VÁLVULA DE RETENÇÃO

PublicadaUtility Model

Application data

Number

MU6800476

Type

Utility Model

Filing

03/08/1988

Publication

10/17/1989

Progress at the INPI

  1. Filing03/08/88
  2. Publication10/17/89
  3. Examination08/14/90
  4. Allowance06/01/93
  5. Grant03/29/94
  6. Terminated12/17/96

The patent was granted on 03/29/1994 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. B. (pessoa física)

SP, BR

Inventors

A. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

06/14/1988

RPI 921

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

Concessão da patente

#16.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

10/13/1993

RPI 1193

Deferimento

#9.1

06/01/1993

RPI 1174

15.18

10/01/1991

RPI 1087

Retificação

#15.3

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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