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Official data from INPI

LAMPADA DE MERCURIO DE BAIXA PRESSAO PARA CORRENTE DE ALTA INTENSIDADE

ConcedidaInvention Patent

Application data

Number

PI7804456

Type

Invention Patent

Filing

04/05/1978

Publication

-

Progress at the INPI

  1. Filing04/05/78
  2. Publication
  3. Examination
  4. Allowance11/03/81
  5. Grant11/30/82
  6. Terminated09/18/90

The patent was granted on 11/30/1982 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: 11/30/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC BROWN BOVERI & CIE

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Inventors

N. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/30/1982

RPI 632

Deferimento

#9.1

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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