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Official data from INPI

PELÍCULA DIELÉTRICA COM AUMENTO DO SUPORTE DE VOLTAGEM.

Em AnáliseInvention Patent

Application data

Number

PI8104639

Type

Invention Patent

Filing

07/16/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing07/16/81
  2. Publication04/06/82
  3. Examination06/12/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated06/21/88

The patent was granted on 12/31/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

U. C. (pessoa física)

Technical data

IPC Classification

Priority claims

US

169.367 · 07/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

12/31/1985

RPI 793

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Solicitação de exame técnico

#4.1

06/12/1984

RPI 712

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

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