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

TERMOSTATO PARA REFRIGERAÇÃO OU AQUECIMENTO COM DILATAÇÃO DE FLUÍDO

ConcedidaInvention Patent

Application data

Number

PI8501234

Type

Invention Patent

Filing

03/15/1985

Publication

09/17/1985

Progress at the INPI

  1. Filing03/15/85
  2. Publication09/17/85
  3. Examination06/03/86
  4. Allowance03/28/89
  5. Grant09/26/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Controles Robertshaw do Brasil S/A

RS, BR

Inventors

M. R. (pessoa física)

BR

R. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Deferimento

#9.1

03/28/1989

RPI 962

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação antecipada

#3.2

09/17/1985

RPI 778

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 15/03/2000

07/15/2008

RPI 1958

Patent monitoring

Track this patent in real time.

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