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Official data from INPI

VARISTOR DE ÓXIDO DE ZINCO.

Em AnáliseInvention Patent

Application data

Number

PI8304119

Type

Invention Patent

Filing

07/28/1983

Publication

06/12/1984

Progress at the INPI

  1. Filing07/28/83
  2. Publication06/12/84
  3. Examination07/29/86
  4. Allowance07/18/89
  5. Grant04/27/93
  6. Terminated04/09/96

The patent was granted on 04/27/1993 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

E. S. (pessoa física)

US

J. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

423.908 · 09/27/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

11/07/1989

RPI 994

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

11/29/1988

RPI 945

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

07/29/1986

RPI 823

Publicação do pedido de patente

#3.1

06/12/1984

RPI 712

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

Anuidade - prazo legal encerrado

#18.2

04/09/1996

RPI 1323

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

03/02/1993

RPI 1161

110

12/15/1992

RPI 1150

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