(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

TROCADOR DE CALOR DE PLACAS

Arquivada/ExtintaInvention PatentPCT · SE1991000303

Application data

Number

PI9105744

Type

Invention Patent

Filing

04/29/1991

Publication

08/04/1992

PCT

SE1991000303

Progress at the INPI

  1. Filing04/29/91
  2. Publication08/04/92
  3. Examination08/10/93
  4. Allowance01/30/96
  5. Grant12/31/96
  6. Expired07/06/10

The letters patent expired on 07/06/2010: 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: 07/06/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfa-Laval Thermal AB

SE

See this company's full portfolio

Inventors

L. H. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

9001633-8 · 05/08/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/04/2006

07/06/2010

RPI 2061

Concessão da patente

#16.1

12/31/1996

RPI 1361

Notificação para pagamento de retribuição

#13.1

07/09/1996

RPI 1336

Deferimento

#9.1

01/30/1996

RPI 1313

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

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.