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Official data from INPI

DISPOSITIVO DE CAMPO DE DESVIO MAGNETICO

ConcedidaInvention Patent

Application data

Number

PI7901140

Type

Invention Patent

Filing

02/27/1978

Publication

-

Progress at the INPI

  1. Filing02/27/78
  2. Publication
  3. Examination10/27/81
  4. Allowance06/22/82
  5. Grant02/22/83
  6. Terminated01/28/92

The patent was granted on 02/22/1983 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: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BURROUGHS CORP

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Inventors

D. M. (pessoa física)

U. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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