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Official data from INPI

LÂMPADA ELÉTRICA CONTENDO INVÓLUCRO EXTERNO DE ELEVADA ESPESSURA RELATIVAMENTE AO INVÓLUCRO INTERNO.

ConcedidaInvention Patent

Application data

Number

PI8400803

Type

Invention Patent

Filing

02/17/1984

Publication

10/02/1984

Progress at the INPI

  1. Filing02/17/84
  2. Publication10/02/84
  3. Examination02/26/85
  4. Allowance12/29/87
  5. Grant09/27/88
  6. Terminated06/06/95

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. C. (pessoa física)

Inventors

B. G. (pessoa física)

G. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

469843 · 02/25/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Solicitação de exame não realizada

#4.2

11/27/1984

RPI 736

Publicação do pedido de patente

#3.1

10/02/1984

RPI 728

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

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