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Official data from INPI

APARELHO PARA FILTRAGEM DE SOLUÇÕES

DeferidaInvention Patent

Application data

Number

PI8404788

Type

Invention Patent

Filing

09/24/1984

Publication

08/27/1985

Progress at the INPI

  1. Filing09/24/84
  2. Publication08/27/85
  3. Examination01/21/86
  4. Allowance08/22/89
  5. Grant11/27/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ottoni Moreira Gomes, brasileiro, médico

MG, BR

Inventors

O. G. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

Exigência - art. 36 da LPI

#6.1

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

01/21/1986

RPI 796

Publicação antecipada

#3.2

08/27/1985

RPI 775

Pedido de patente depositado

#2.1

12/04/1984

RPI 737

Carta-patente expirada

#21.1

Patente extinta em 24/09/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

11/27/1990

RPI 1043

15.5

06/12/1990

RPI 1022

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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