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Official data from INPI

PROCESSO DE DETERMINAR O NUMERO DE UNIDADE DE SINAL E VALORES BINARIOS E APARELHO PARA PROVER SINAIS ELETRICOS

ConcedidaInvention Patent

Application data

Number

PI7703467

Type

Invention Patent

Filing

05/28/1976

Publication

-

Progress at the INPI

  1. Filing05/28/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Terminated01/21/92

The patent was granted on 06/29/1982 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: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. S. (pessoa física)

Inventors

K. Y. (pessoa física)

K. S. (pessoa física)

U. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

Notificação para pagamento de retribuição

#13.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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