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Official data from INPI

SONDA DE MEDIÇÃO POR IMERSÃO PARA USO EM METAIS LÍQUIDOS.

ConcedidaInvention Patent

Application data

Number

PI8104741

Type

Invention Patent

Filing

07/22/1981

Publication

04/13/1982

Progress at the INPI

  1. Filing07/22/81
  2. Publication04/13/82
  3. Examination03/27/84
  4. Allowance09/18/84
  5. Grant05/28/85
  6. Terminated09/25/90

The patent was granted on 05/28/1985 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electro-Nite N.V.

BE

Inventors

B. T. (pessoa física)

Technical data

IPC Classification

Priority claims

BE

884.405 · 07/22/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

01/15/1985

RPI 743

Deferimento

#9.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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