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Official data from INPI

CIRCUITO ELETRONICO PARA SINTERIZACAO DE SONS E FALAS

Em AnáliseInvention Patent

Application data

Number

PI8102537

Type

Invention Patent

Filing

04/27/1981

Publication

-

Progress at the INPI

  1. Filing04/27/81
  2. Publication
  3. Examination12/15/81
  4. Allowance05/27/86
  5. Grant12/30/86
  6. Terminated08/30/94

The patent was granted on 12/30/1986 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: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TAITO DO BRASIL IND E COMERCIO

Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

09/08/1987

RPI 881

20.7

09/01/1987

RPI 880

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/23/1986

RPI 831

Deferimento

#9.1

05/27/1986

RPI 814

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Conhecimento de parecer técnico

#7.1

11/27/1984

RPI 736

Solicitação de exame técnico

#4.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

08/30/1994

RPI 1239

Pedido de licença compulsória

#20.1

12/26/1990

RPI 1047

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