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Official data from INPI

TRATAMENTO DE ÁGUA POTÁVEL E INDUSTRIAL E OUTROS LÍQUIDOS EM GERAL

ConcedidaInvention Patent
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Application data

Number

PI8205161

Type

Invention Patent

Filing

09/01/1982

Publication

04/10/1984
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Progress at the INPI

  1. Filing09/01/82
  2. Publication04/10/84
  3. Examination08/14/84
  4. Allowance07/08/86
  5. Grant04/28/87
  6. Terminated07/18/95

The patent was granted on 04/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 04/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. H. (pessoa física)

SP, BR

Inventors

K. H. (pessoa física)

BR

Technical data

IPC Classification

C02F 1/48

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/28/1987

RPI 862

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

01/29/1985

RPI 745

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação do pedido de patente

#3.1

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

Pedido de licença compulsória

#20.1

08/13/1991

RPI 1080

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