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Official data from INPI

DECODIFICADOR ESTEREOFONICO AM

ConcedidaInvention Patent

Application data

Number

PI8107943

Type

Invention Patent

Filing

03/24/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing03/24/80
  2. Publication03/09/82
  3. Examination10/04/83
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOTOROLA INC

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Inventors

H. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Republicação - classificação IPC

#15.11

01/08/1985

RPI 742

Exigência - art. 36 da LPI

#6.1

07/17/1984

RPI 717

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

Carta-patente expirada

#21.1

Patente extinta em 21/01/96

08/19/2008

RPI 1963

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