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Official data from INPI

DISPOSITIVO DE PURIFICAÇÃO DA ÁGUA COM UM FUNIL DE ENTRADA

PublicadaInvention Patent

Application data

Number

PI8901363

Type

Invention Patent

Filing

03/22/1989

Publication

11/07/1989

Progress at the INPI

  1. Filing03/22/89
  2. Publication11/07/89
  3. Examination08/20/91
  4. Allowance07/09/96
  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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brita Wasser-Filter-Systeme GmbH

DE

Inventors

H. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 10 441.5 · 03/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/07/1989

RPI 994

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Carta-patente expirada

#21.1

Patente extinta em 22/03/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/09/1996

RPI 1336

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

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