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

PROCESSO PARA PRODUÇÃO DE ALIMENTAÇÃO ÁCIDA MISTA PARA GERAÇÃO DE DIÓXIDO DE CLORO

ConcedidaInvention Patent

Application data

Number

PI8206421

Type

Invention Patent

Filing

11/05/1982

Publication

09/27/1983

Progress at the INPI

  1. Filing11/05/82
  2. Publication09/27/83
  3. Examination06/19/84
  4. Allowance01/03/89
  5. Grant09/26/89
  6. Terminated04/02/96

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sterling Canada, Inc

US

See this company's full portfolio

Inventors

M. F. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

CA

389530 · 11/05/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

07/05/1988

RPI 924

14.1

03/15/1988

RPI 908

14.3

12/15/1987

RPI 895

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Exigência - art. 36 da LPI

#6.1

02/05/1985

RPI 746

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Publicação do pedido de patente

#3.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

Pedido de licença compulsória

#20.1

03/30/1993

RPI 1165

Patent monitoring

Track this patent in real time.

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