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Official data from INPI

LASTRO ELETRONICO PARA UMA LAMPADA DE DESCARGA E METODO DE-EGULAGEM DO NIVEL DE LUZ DA MESMA

ConcedidaInvention Patent

Application data

Number

PI8205501

Type

Invention Patent

Filing

09/18/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/18/81
  2. Publication08/23/83
  3. Examination09/17/85
  4. Allowance09/08/87
  5. Grant05/31/88
  6. Terminated10/16/90

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HELVAR OY [FI]

Inventors

S. M. (pessoa física)

V. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

10/07/1986

RPI 833

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

10/16/1990

RPI 1037

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