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Official data from INPI

PROCESSO DE CONSTRUIR UM TROCADOR DE CALOR E UM TROCADOR DE CALOR CONSTRUÍDO PELA UTILIZAÇÃO DAQUELE PROCESSO

Arquivada/ExtintaInvention PatentPCT · FI1988000111

Application data

Number

PI8807611

Type

Invention Patent

Filing

07/07/1988

Publication

04/10/1990

PCT

FI1988000111

Progress at the INPI

  1. Filing07/07/88
  2. Publication04/10/90
  3. Examination08/14/90
  4. Allowance08/27/91
  5. Grant05/26/92
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Racert Oy

FI

Inventors

P. R. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

873085 · 07/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 07/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/26/1992

RPI 1121

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

Exigência - art. 36 da LPI

#6.1

03/12/1991

RPI 1058

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Notificação de entrada na fase nacional - PCT

#1.3

04/10/1990

RPI 1013

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