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Official data from INPI

DISPOSITIVO ELETROQUÍMICO DO TIPO REAGENTE ESTÁTICO E PROCESSO PARA A DETECÇÃO E/OU SUPERVISIONAMENTO DE UM COMPONENTE DE UM FLUIDO

ConcedidaInvention Patent

Application data

Number

PI7801889

Type

Invention Patent

Filing

03/28/1978

Publication

-

Progress at the INPI

  1. Filing03/28/78
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant03/29/83
  6. Terminated06/29/93

The patent was granted on 03/29/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

B. R. (pessoa física)

D. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

03/23/1982

RPI 596

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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