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Official data from INPI

TUBO DE RAIOS CATODICOS A CORES COM MASCARA DE SOMBRA

Em AnáliseInvention Patent

Application data

Number

PI7803062

Type

Invention Patent

Filing

05/20/1977

Publication

-

Progress at the INPI

  1. Filing05/20/77
  2. Publication
  3. Examination
  4. Allowance11/03/81
  5. Grant11/30/82
  6. Terminated10/03/89

The patent was granted on 11/30/1982 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RCA CORP

See this company's full portfolio

Inventors

B. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

11/30/1982

RPI 632

15.0

12/15/1981

RPI 582

Deferimento

#9.1

11/03/1981

RPI 576

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