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Official data from INPI

DIAFRAGMA PARA UM TRANSDUTOR ELETRO-ACUSTICO E ALTO-FALANTE DO TIPO DE BOBINA MOVEL

ConcedidaInvention Patent

Application data

Number

PI7701698

Type

Invention Patent

Filing

03/19/1976

Publication

-

Progress at the INPI

  1. Filing03/19/76
  2. Publication
  3. Examination
  4. Allowance07/05/83
  5. Grant03/27/84
  6. Terminated01/21/92

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. H. (pessoa física)

P. J. (pessoa física)

S. D. (pessoa física)

Inventors

H. H. (pessoa física)

P. J. (pessoa física)

S. D. (pessoa física)

Technical data

IPC Classification

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

11/08/1983

RPI 681

Deferimento

#9.1

07/05/1983

RPI 663

14.1

11/30/1982

RPI 632

11.7

10/19/1982

RPI 626

Arquivamento - Art. 36 §1° da LPI

#11.2

05/18/1982

RPI 604

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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