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Official data from INPI

VELA DE IGNIÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8806884

Type

Invention Patent

Filing

12/22/1988

Publication

-

Progress at the INPI

  1. Filing12/22/88
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NGK Spark Plug Co Ltd

JP

See this company's full portfolio

Inventors

J. K. (pessoa física)

JP

W. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

326891 · 12/25/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

05/16/1989

RPI 969

Pedido de patente depositado

#2.1

05/02/1989

RPI 967

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