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Official data from INPI

PROCESSO E APARELHO PARA TRANSMISSÃO DE INFORMAÇÀO EM FREQUÊNCIAS MÚLTIPLAS EM UM SISTEMA DE COMUNICAÇÀO DIGITAL.

Em AnáliseInvention Patent

Application data

Number

PI8300522

Type

Invention Patent

Filing

01/31/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing01/31/83
  2. Publication11/08/83
  3. Examination02/25/86
  4. Allowance02/28/89
  5. Grant02/06/90
  6. Terminated02/18/92

The patent was granted on 02/06/1990 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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

M. Q. (pessoa física)

US

W. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

353.501 · 03/01/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

102

10/25/1988

RPI 940

Pedido de recurso

#12.3

08/16/1988

RPI 930

11.3

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

02/25/1986

RPI 801

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

Concessão da patente

#16.1

02/06/1990

RPI 1005

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