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Official data from INPI

FILTRO PARA FLUIDOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005077

Type

Invention Patent

Filing

10/04/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing10/04/90
  2. Publication09/17/91
  3. Examination06/23/92
  4. Allowance06/11/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filterwerk Mann & Hummel GmbH

DE

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Inventors

J. P. (pessoa física)

DE

K. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P39 33 059.1-13 · 10/04/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/10/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

02/25/1997

RPI 1369

Deferimento

#9.1

06/11/1996

RPI 1332

15.17

05/17/1994

RPI 1224

15.5

04/05/1994

RPI 1218

Exigência - art. 36 da LPI

#6.1

03/08/1994

RPI 1214

Solicitação de exame técnico

#4.1

06/23/1992

RPI 1125

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/09/1991

RPI 1062

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