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Official data from INPI

PROCESSO E EQUIPAMENTO DE REPURIFICAÇÃO DE ÁGUA, DA ÁGUA URBANA OU DE TORNEIRA

PublicadaInvention Patent

Application data

Number

PI8804698

Type

Invention Patent

Filing

09/12/1988

Publication

04/18/1989

Progress at the INPI

  1. Filing09/12/88
  2. Publication04/18/89
  3. Examination02/13/91
  4. Allowance01/07/97
  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: 04/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Goldstar Co, Ltd

KR

Goldstar Co. Ltd

KR

See this company's full portfolio

Inventors

K. S. (pessoa física)

KR

Technical data

IPC Classification

Priority claims

KR

1987/10141 · 09/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

04/18/1989

RPI 965

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 12/09/2008

05/21/2013

RPI 2211

Concessão da patente

#16.1

09/30/1997

RPI 1400

Notificação para pagamento de retribuição

#13.1

05/06/1997

RPI 1379

Deferimento

#9.1

01/07/1997

RPI 1362

Exigência - art. 36 da LPI

#6.1

07/30/1996

RPI 1339

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

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