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Official data from INPI

PROCESSO E APARELHO PARA CALIBRAR MUDANÇAS DE FASE EM CANAIS DE SISTEMA QUE TEM MÚLTIPLOS CANAIS PORTADORES DE SINAIS

DeferidaInvention Patent

Application data

Number

PI8402373

Type

Invention Patent

Filing

05/18/1984

Publication

04/02/1985

Progress at the INPI

  1. Filing05/18/84
  2. Publication04/02/85
  3. Examination02/17/87
  4. Allowance09/19/89
  5. Grant05/29/90
  6. Terminated06/13/95

The patent was granted on 05/29/1990 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

US

Inventors

R. F. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

497.348 · 05/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/19/1989

RPI 987

102

06/27/1989

RPI 975

Pedido de recurso

#12.3

12/27/1988

RPI 949

11.3

09/27/1988

RPI 936

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Solicitação de exame técnico

#4.1

02/17/1987

RPI 852

Publicação do pedido de patente

#3.1

04/02/1985

RPI 754

Pedido de patente depositado

#2.1

07/31/1984

RPI 719

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

01/16/1990

RPI 1002

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