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Official data from INPI

SONDA DE IMERSÃO DE MEDIÇÃO PARA MEDIÇÕES EM METAIS FLUIDOS.

ConcedidaInvention Patent

Application data

Number

PI8305492

Type

Invention Patent

Filing

10/04/1983

Publication

05/15/1984

Progress at the INPI

  1. Filing10/04/83
  2. Publication05/15/84
  3. Examination08/28/84
  4. Allowance04/09/85
  5. Grant11/26/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Electro-Nite

BE

Inventors

B. C. (pessoa física)

C. O. (pessoa física)

Technical data

IPC Classification

Priority claims

BE

2/59866 · 10/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

05/15/1984

RPI 708

Carta-patente expirada

#21.1

Patente extinta em 04/10/98

07/01/2008

RPI 1956

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