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Official data from INPI

LÂMPADA DE VAPOR DE SÓDIO DE ALTA PRESSÃO, APERFEIÇOADA.

ConcedidaInvention Patent

Application data

Number

PI8303123

Type

Invention Patent

Filing

06/09/1983

Publication

01/31/1984

Progress at the INPI

  1. Filing06/09/83
  2. Publication01/31/84
  3. Examination05/20/86
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

C. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

387.394 · 06/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

07/26/1988

RPI 927

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

01/31/1984

RPI 693

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Carta-patente expirada

#21.1

Patente extinta em 09/06/98

07/01/2008

RPI 1956

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