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Official data from INPI

CONJUNTO FILTRANTE E INSTALAÇÃO COMPACTA QUE INCLUI O CONJUNTO FILTRANTE

Em AnáliseInvention Patent

Application data

Number

PI8803333

Type

Invention Patent

Filing

06/30/1988

Publication

03/14/1989

Progress at the INPI

  1. Filing06/30/88
  2. Publication03/14/89
  3. Examination11/07/89
  4. Allowance07/18/95
  5. Grant04/30/96
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. K. (pessoa física)

SP, BR

Inventors

J. K. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação antecipada

#3.2

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 30/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

04/30/1996

RPI 1326

Notificação para pagamento de retribuição

#13.1

11/28/1995

RPI 1304

Deferimento

#9.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

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