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Official data from INPI

PROCESSO PARA PROMOVER UMA CARGA ELETRICA A UMA ATMOSFERA,COMPOSICAO APLICAVEL NO MESMO,E PROCESSO PARA SIMULTANEAMENTE NEUTRALIZAR CARGAS ELETRICAS ESTATICAS POSITIVAS E NEGATIVAS SOBRE OBJETOS

ConcedidaInvention Patent

Application data

Number

PI7805943

Type

Invention Patent

Filing

09/13/1977

Publication

-

Progress at the INPI

  1. Filing09/13/77
  2. Publication
  3. Examination
  4. Allowance12/28/82
  5. Grant07/26/83
  6. Terminated09/18/90

The patent was granted on 07/26/1983 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: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LESTER LAB INC

Inventors

F. J. (pessoa física)

F. L. (pessoa física)

K. A. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

12/28/1982

RPI 636

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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