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Official data from INPI

COLETOR PARA TROCADOR DE CALOR, E TROCADOR DE CALOR COMPREENDENDO UM TAL COLETOR

Em ExigênciaInvention Patent

Application data

Number

PI8504421

Type

Invention Patent

Filing

09/13/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/13/85
  2. Publication07/15/86
  3. Examination07/26/88
  4. Allowance05/22/90
  5. Grant08/27/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. O. (pessoa física)

FR

Inventors

P. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 14154 · 09/14/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

08/29/1989

RPI 984

Pedido de certificado de adição de invenção

#5.1

12/20/1988

RPI 948

Solicitação de exame técnico

#4.1

07/26/1988

RPI 927

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

11/19/1985

RPI 787

Carta-patente expirada

#21.1

Patente extinta em 13/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/27/1991

RPI 1082

110

04/23/1991

RPI 1064

Recurso

#12.1

10/09/1990

RPI 1036

Deferimento

#9.1

05/22/1990

RPI 1019

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