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Official data from INPI

VÁLVULA PRIMÁRIA PARA PANELA DE PRESSÃO

Em AnáliseUtility Model
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Application data

Number

MU6601952

Type

Utility Model

Filing

10/14/1986

Publication

08/04/1987
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Progress at the INPI

  1. Filing10/14/86
  2. Publication08/04/87
  3. Examination11/03/87
  4. Allowance02/05/91
  5. Grant03/31/92
  6. Terminated11/14/95

The patent was granted on 03/31/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Meridional S/A Comércio e Indústria

SP, BR

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Inventors

W. J. (pessoa física)

BR

Technical data

IPC Classification

A47J 27/09

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

Publicação antecipada

#3.2

08/04/1987

RPI 876

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Anuidade - prazo legal encerrado

#18.2

11/14/1995

RPI 1302

Concessão da patente

#16.1

03/31/1992

RPI 1113

Retificação

#15.6

02/04/1992

RPI 1105

Retificação

#15.3

10/01/1991

RPI 1087

Deferimento

#9.1

02/05/1991

RPI 1053

Exigência - art. 36 da LPI

#6.1

04/03/1990

RPI 1012

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