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Official data from INPI

DISPOSITIVO ELETRONICO DE MEDICAO E PESOS

ConcedidaInvention Patent

Application data

Number

PI8003021

Type

Invention Patent

Filing

05/15/1979

Publication

-

Progress at the INPI

  1. Filing05/15/79
  2. Publication
  3. Examination01/04/83
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKYO ELECTRIC CO LTD

Inventors

Y. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Republicação - classificação IPC

#15.11

07/26/1983

RPI 666

Exigência - art. 36 da LPI

#6.1

06/28/1983

RPI 662

Solicitação de exame técnico

#4.1

01/04/1983

RPI 637

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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