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

PROCESSO DE RECUPERAÇÃO DO ELEMENTO FILTRANTE PARA HEMODIÁLISE

Prazo de SigiloInvention Patent

Application data

Number

PI8805652

Type

Invention Patent

Filing

11/02/1988

Publication

06/05/1990

Progress at the INPI

  1. Filing11/02/88
  2. Publication06/05/90
  3. Examination08/11/92
  4. Allowance11/23/93
  5. Grant06/28/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sistemas Vitais - Equipamentos Biomédicos Ltda

RS, BR

Sistemas Vitais-Equipamentos Biomédicos Ltda

RS, BR

Inventors

R. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

03/07/1989

RPI 959

Carta-patente expirada

#21.1

Patente extinta em 02/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

08/11/1992

RPI 1132

Publicação do pedido de patente

#3.1

06/05/1990

RPI 1021

Patent monitoring

Track this patent in real time.

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