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

DISPOSITIVO PARA DOSAGEM DE CARGA DE GÁS FRIGORÍGENO EM SISTEMAS DE REFRIGERAÇÀO

PublicadaInvention Patent

Application data

Number

PI8700018

Type

Invention Patent

Filing

01/06/1987

Publication

08/02/1988

Progress at the INPI

  1. Filing01/06/87
  2. Publication08/02/88
  3. Examination10/09/90
  4. Allowance04/30/91
  5. Grant05/26/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Consul S/A

SC, BR

See this company's full portfolio

Inventors

E. E. (pessoa física)

R. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/02/1988

RPI 928

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 06/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/26/1992

RPI 1121

14.7

02/04/1992

RPI 1105

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Patent monitoring

Track this patent in real time.

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