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Official data from INPI

MEMÓRIA DE CONTROLE NUMA SEÇÃO DE CONTROLE DO COMPUTADOR.

ConcedidaInvention Patent

Application data

Number

PI8000169

Type

Invention Patent

Filing

01/10/1980

Publication

-

Progress at the INPI

  1. Filing01/10/80
  2. Publication
  3. Examination
  4. Allowance11/16/83
  5. Grant07/31/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

H. S. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

003.841 · 01/16/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/16/1983

RPI 682

Exigência - art. 36 da LPI

#6.1

06/14/1983

RPI 660

Exigência - art. 36 da LPI

#6.1

12/14/1982

RPI 634

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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