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Official data from INPI

LIGA PARA ELETRODO DE VELAS DE IGNICAO

Em AnáliseInvention Patent
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Application data

Number

PI7701418

Type

Invention Patent

Filing

03/08/1977

Publication

-
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Progress at the INPI

  1. Filing03/08/77
  2. Publication
  3. Examination
  4. Refused12/22/81
  5. Grant
  6. In force

The application was refused on 12/22/1981 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/22/1981. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

12/22/1981

RPI 583

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