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Official data from INPI

PROCESSO PARA APLICAÇÃO DE UMA CARGA ELETROSTÁTICA PERMANENTE PELO CARREGAMENTO DE CORONA DE UMA TRAMA CONTÍNUA DIELÉTRICA.

Em AnáliseInvention Patent

Application data

Number

PI8201328

Type

Invention Patent

Filing

03/11/1982

Publication

01/25/1983

Progress at the INPI

  1. Filing03/11/82
  2. Publication01/25/83
  3. Examination03/12/85
  4. Allowance03/13/90
  5. Grant10/30/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Johnson & Johnson

US

See this company's full portfolio

Inventors

L. W. (pessoa física)

US

S. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

243.218 · 03/12/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

102

11/14/1989

RPI 995

Pedido de recurso

#12.3

05/16/1989

RPI 969

11.3

02/08/1989

RPI 955

Exigência - art. 36 da LPI

#6.1

08/02/1988

RPI 928

6.2

03/24/1987

RPI 857

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

01/25/1983

RPI 640

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

Patente extinta em 11/03/97

07/01/2008

RPI 1956

Concessão da patente

#16.1

10/30/1990

RPI 1039

Deferimento

#9.1

03/13/1990

RPI 1009

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