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Official data from INPI

CIRCUITO PARA LIMITAR SURTOS EM LÂMPADA OPERADA POR CC.

PublicadaInvention Patent

Application data

Number

PI8701383

Type

Invention Patent

Filing

03/26/1987

Publication

03/01/1988

Progress at the INPI

  1. Filing03/26/87
  2. Publication03/01/88
  3. Examination01/08/91
  4. Allowance08/24/93
  5. Grant05/31/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/01/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. H. (pessoa física)

JP

See this company's full portfolio

Inventors

K. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

61-111257 · 07/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/01/1988

RPI 906

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 26/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/31/1994

RPI 1226

Notificação para pagamento de retribuição

#13.1

02/08/1994

RPI 1210

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

02/24/1993

RPI 1160

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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