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Official data from INPI

PROCESSO PARA SE FAZER ELETRODO CENTRAL PARA UMA VELA DE IGNICAO

ConcedidaInvention Patent

Application data

Number

PI8003548

Type

Invention Patent

Filing

06/09/1980

Publication

02/09/1982

Progress at the INPI

  1. Filing06/09/80
  2. Publication02/09/82
  3. Examination02/21/84
  4. Allowance07/09/85
  5. Grant12/31/85
  6. Terminated09/25/90

The patent was granted on 12/31/1985 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: 12/31/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GKN FLOFORM LTD

Inventors

H. K. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/31/1985

RPI 793

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

14.4

09/25/1984

RPI 727

Pedido de certificado de adição de invenção

#5.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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