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Official data from INPI

DISPOSITIVO DE CAIXA D'ÁGUA E DE VASO DE EXPANSÃO PARA UM TROCADOR DE CALOR

Em AnáliseInvention Patent

Application data

Number

PI8605000

Type

Invention Patent

Filing

10/13/1986

Publication

07/14/1987

Progress at the INPI

  1. Filing10/13/86
  2. Publication07/14/87
  3. Examination08/08/89
  4. Allowance06/26/90
  5. Grant04/27/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. O. (pessoa física)

FR

Inventors

M. B. (pessoa física)

IT

R. P. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

FR

85 15275 · 10/15/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

08/08/1989

RPI 981

Publicação do pedido de patente

#3.1

07/14/1987

RPI 873

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Carta-patente expirada

#21.1

Patente extinta em 13/10/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/27/1993

RPI 1169

110

02/02/1993

RPI 1157

Recurso

#12.1

10/09/1990

RPI 1036

Deferimento

#9.1

06/26/1990

RPI 1024

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