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Official data from INPI

VELA DE IGNIÇÃO PARA VEÍCULOS COM REVESTIMENTO INTERNO DE CERÂMICA CONTRA UMIDADE ESPECIALMENTE PARA MOTORES A ÁLCOOL

ConcedidaInvention Patent

Application data

Number

PI8204601

Type

Invention Patent

Filing

08/05/1982

Publication

03/13/1984

Progress at the INPI

  1. Filing08/05/82
  2. Publication03/13/84
  3. Examination10/09/84
  4. Allowance10/21/86
  5. Grant06/02/87
  6. Terminated02/11/92

The patent was granted on 06/02/1987 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: 06/02/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. T. (pessoa física)

RJ, BR

Inventors

H. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/02/1987

RPI 867

Notificação para pagamento de retribuição

#13.1

01/06/1987

RPI 846

100

10/21/1986

RPI 835

120

06/10/1986

RPI 816

Petição de recurso

#12.2

02/18/1986

RPI 800

Indeferimento

#9.2

07/09/1985

RPI 768

Solicitação de exame técnico

#4.1

10/09/1984

RPI 729

Publicação do pedido de patente

#3.1

03/13/1984

RPI 699

Pedido de patente depositado

#2.1

09/21/1982

RPI 622

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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