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Official data from INPI

CIRCUITO PARA MELHORIA DE ENLACES FÍSICOS DE TELEPROCESSAMENTO, FAC-SIMILE, TELEX E SIMILARES

ConcedidaInvention Patent
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Application data

Number

PI8007411

Type

Invention Patent

Filing

11/13/1980

Publication

-
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Progress at the INPI

  1. Filing11/13/80
  2. Publication
  3. Examination10/20/81
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Terminated02/04/92

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. S. (pessoa física)

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Inventors

U. U. (pessoa física)

BR

Technical data

IPC Classification

H04B 1/10H04B 15/00H04B 3/02H04B 3/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

04/12/1983

RPI 651

Solicitação de exame técnico

#4.1

10/20/1981

RPI 574

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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