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Official data from INPI

SISTEMA DE CODIFICACAO DE DADOS DE CHAVE PUBLICA RSA TENDO MICROPROCESSADOR GERADOR DE NUMEROS PRIMOS GRANDES ALEATORIOS OU SEMELHANTES

ConcedidaInvention Patent
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Application data

Number

PI8108915

Type

Invention Patent

Filing

12/15/1980

Publication

10/26/1982
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Progress at the INPI

  1. Filing12/15/80
  2. Publication10/26/82
  3. Examination06/05/84
  4. Allowance04/08/86
  5. Grant11/25/86
  6. Terminated11/08/94

The patent was granted on 11/25/1986 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RACAL MILGO INC [US]

Inventors

M. J. (pessoa física)

T. G. (pessoa física)

Technical data

IPC Classification

H04L 9/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

01/08/1985

RPI 742

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

14.4

11/01/1983

RPI 680

Notificação de entrada na fase nacional - PCT

#1.3

10/26/1982

RPI 627

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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