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Official data from INPI

GERADOR DE GASES CONTENDO CLORO, SISTEMA DE CLORAÇÃO, PROCESSO PARA CLORAR UMA MASSA DE ÁGUA; E PROCESSO DE PRODUZIR CLORO E/OU DIÓXIDO DE CLORO POR ELETRÓLISE.

ConcedidaInvention Patent

Application data

Number

PI8007284

Type

Invention Patent

Filing

11/07/1980

Publication

-

Progress at the INPI

  1. Filing11/07/80
  2. Publication
  3. Examination08/02/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. S. (pessoa física)

US

Inventors

S. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

092,645 · 11/08/1979

US

121.115 · 02/13/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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