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Official data from INPI

CIRCUITO DETECTOR DE TOM

ConcedidaInvention Patent

Application data

Number

PI8108927

Type

Invention Patent

Filing

12/22/1980

Publication

11/30/1982

Progress at the INPI

  1. Filing12/22/80
  2. Publication11/30/82
  3. Examination06/05/84
  4. Allowance08/20/85
  5. Grant05/27/86
  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.

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Latest action published by the INPI: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MOTOROLA INC [US]

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Inventors

E. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Notificação de entrada na fase nacional - PCT

#1.3

11/30/1982

RPI 632

Carta-patente expirada

#21.1

Patente extinta em 17/12/96

08/19/2008

RPI 1963

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