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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA INIBIR CROSTA EM UM SISTEMA DE PURIFICAÇÃO DE ÁGUA POR OSMOSE INVERSA

ConcedidaInvention Patent

Application data

Number

PI8301347

Type

Invention Patent

Filing

03/17/1983

Publication

10/23/1984

Progress at the INPI

  1. Filing03/17/83
  2. Publication10/23/84
  3. Examination12/09/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated02/18/92

The patent was granted on 10/24/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The B.F. Goodrich Company

US

See this company's full portfolio

Inventors

A. K. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Conhecimento de parecer técnico

#7.1

05/31/1988

RPI 919

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

14.1

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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