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

APARELHO PARA PROPORCIONAR FLUXO CONTÍNUO DE FLUIDO E CIRCUITO ELÉTRICO DE CONTROLE PARA TUBULAÇÃO COM MUDANÇA AUTOMÁTICA

Arquivada/ExtintaInvention Patent
Talk to an expert

Application data

Number

PI9104138

Type

Invention Patent

Filing

09/26/1991

Publication

06/02/1992
View on INPI

Progress at the INPI

  1. Filing09/26/91
  2. Publication06/02/92
  3. Examination01/26/93
  4. Allowance12/05/95
  5. Grant02/25/97
  6. Expired06/29/10

The letters patent expired on 06/29/2010: 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: 06/29/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Canada, Inc.

CA

Union Carbide Canada Limited

CA

Inventors

R. M. (pessoa física)

CA

Technical data

IPC Classification

F17C 13/04G05D 16/06

Priority claims

CA

2.026.217 · 09/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/09/2006

06/29/2010

RPI 2060

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

Deferimento

#9.1

12/05/1995

RPI 1305

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

14.4

07/27/1993

RPI 1182

14.4

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

01/26/1993

RPI 1156

Publicação do pedido de patente

#3.1

06/02/1992

RPI 1122

Pedido de patente depositado

#2.1

11/05/1991

RPI 1092

Related

Patent monitoring

Track this patent in real time.

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