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Official data from INPI

CONJUNTO PARA ALÍVIO DE TENSÃO APERFEIÇOADA.

ConcedidaInvention Patent

Application data

Number

PI8107109

Type

Invention Patent

Filing

10/29/1981

Publication

07/20/1982

Progress at the INPI

  1. Filing10/29/81
  2. Publication07/20/82
  3. Examination09/18/84
  4. Allowance08/13/85
  5. Grant12/30/86
  6. Terminated02/04/92

The patent was granted on 12/30/1986 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

B. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

205.726 · 11/10/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

14.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

07/20/1982

RPI 613

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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