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Official data from INPI

DETECTOR DE TOM E RECEPTOR DE FREQUENCIAS MULTIPLAS UTILIZANDO ESSE DETECTOR

ConcedidaInvention Patent
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Application data

Number

PI8303365

Type

Invention Patent

Filing

06/25/1982

Publication

02/07/1984
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Progress at the INPI

  1. Filing06/25/82
  2. Publication02/07/84
  3. Examination04/01/86
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated05/02/95

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM [US]

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Inventors

G. D. (pessoa física)

M. E. (pessoa física)

Technical data

IPC Classification

H04B 1/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Republicação - classificação IPC

#15.11

02/09/1988

RPI 903

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

12/16/1986

RPI 843

Solicitação de exame técnico

#4.1

04/01/1986

RPI 806

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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