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Official data from INPI

ACELERADOR DO FREIO DE SERVICO PARA FREIOS INDIRETOS DE AR COMPRIMIDO DE VEICULOS FERROVIARIOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI8008916

Type

Invention Patent

Filing

11/19/1979

Publication

-

Progress at the INPI

  1. Filing11/19/79
  2. Publication
  3. Abandoned09/13/83
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KNORR BREMSE GMBH [DE]

Inventors

E. H. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/02/1986

RPI 841

8.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

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