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Official data from INPI

PROCESSO PARA CRIAR REGIOES MAGNETIZADAS NO INTERIOR DE UM MATERIAL MAGNETICO A SER LOCALIZADO ADJACENTE A UMA PORCAO DE COLO DE UM TUBO DE RAIOS CATODICOS

Em AnáliseInvention Patent

Application data

Number

PI7804737

Type

Invention Patent

Filing

07/26/1977

Publication

-

Progress at the INPI

  1. Filing07/26/77
  2. Publication
  3. Examination
  4. Allowance01/05/82
  5. Grant08/31/82
  6. Terminated07/12/88

The patent was granted on 08/31/1982 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RCA CORP

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

05/04/1982

RPI 602

15.0

02/24/1982

RPI 592

Deferimento

#9.1

01/05/1982

RPI 585

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