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Official data from INPI

TROCADOR DE CALOR DE PLACAS

Arquivada/ExtintaInvention PatentPCT · SE1991000267

Application data

Number

PI9105709

Type

Invention Patent

Filing

04/15/1991

Publication

08/04/1992

PCT

SE1991000267

Progress at the INPI

  1. Filing04/15/91
  2. Publication08/04/92
  3. Examination08/10/93
  4. Allowance03/11/97
  5. Grant11/25/97
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval Thermal AB

SE

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Inventors

L. H. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

9001353-3 · 04/17/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/04/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

11/25/1997

RPI 1408

Notificação para pagamento de retribuição

#13.1

10/14/1997

RPI 1402

Deferimento

#9.1

03/11/1997

RPI 1371

Exigência - art. 36 da LPI

#6.1

12/19/1995

RPI 1307

Solicitação de exame técnico

#4.1

08/10/1993

RPI 1184

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1992

RPI 1131

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