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Official data from INPI

ENGATE FERROVIÁRIO.

Em AnáliseInvention Patent

Application data

Number

PI7904513

Type

Invention Patent

Filing

07/16/1979

Publication

-

Progress at the INPI

  1. Filing07/16/79
  2. Publication
  3. Examination
  4. Refused10/25/83
  5. Grant
  6. In force

The application was refused on 10/25/1983 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

10/25/1983

RPI 679

Petição de recurso

#12.2

11/09/1982

RPI 629

Indeferimento

#9.2

07/20/1982

RPI 613

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