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Official data from INPI

DISPOSITIVO DE ALARME AUDIVEL,TRANSDUTOR PIEZOELETRICO E PROCESSO DE REDUCAO DA FREQUENCIA RESSONANTE DO ULTIMO

Em AnáliseInvention Patent

Application data

Number

PI7805285

Type

Invention Patent

Filing

08/18/1977

Publication

-

Progress at the INPI

  1. Filing08/18/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated05/17/88

The patent was granted on 07/27/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MALLORY & CO INC P R

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Inventors

S. L. (pessoa física)

S. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

01/26/1982

RPI 588

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