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Official data from INPI

CIRCUITO REATOR PARA DISPARAR LÂMPADAS DE MERCÚRIO

ConcedidaInvention Patent

Application data

Number

PI8107004

Type

Invention Patent

Filing

10/29/1981

Publication

05/31/1983

Progress at the INPI

  1. Filing10/29/81
  2. Publication05/31/83
  3. Examination02/05/85
  4. Allowance04/22/86
  5. Grant12/30/86
  6. Terminated09/20/94

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.

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Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS

MG, BR

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Inventors

S. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/26/1986

RPI 827

Deferimento

#9.1

04/22/1986

RPI 809

Exigência - art. 36 da LPI

#6.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

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