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

FILTRO HIDRÁULICO E PROCESSO PARA FABRICAÇÃO DO MESMO

Arquivada/ExtintaInvention PatentPCT · DE1989000544

Application data

Number

PI8907754

Type

Invention Patent

Filing

08/22/1989

Publication

08/27/1991

PCT

DE1989000544

Progress at the INPI

  1. Filing08/22/89
  2. Publication08/27/91
  3. Examination09/22/92
  4. Allowance12/24/96
  5. Grant09/30/97
  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

Robert Bosch GmbH

DE

See this company's full portfolio

Inventors

E. H. (pessoa física)

DE

H. G. (pessoa física)

DE

R. J. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 37 423.4 · 11/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

05/13/1997

RPI 1380

Deferimento

#9.1

12/24/1996

RPI 1360

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Notificação de entrada na fase nacional - PCT

#1.3

08/27/1991

RPI 1082

Patent monitoring

Track this patent in real time.

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