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Official data from INPI

BALANCA DE CELULA DE CARGA

ConcedidaInvention Patent

Application data

Number

PI8002425

Type

Invention Patent

Filing

04/19/1979

Publication

-

Progress at the INPI

  1. Filing04/19/79
  2. Publication
  3. Examination
  4. Allowance09/06/83
  5. Grant03/27/84
  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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKYO ELECTRIC CO LTD

Inventors

K. S. (pessoa física)

S. S. (pessoa física)

T. K. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/27/1983

RPI 688

Deferimento

#9.1

09/06/1983

RPI 672

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Exigência - art. 36 da LPI

#6.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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