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Official data from INPI

SAPATA DE FREIO E CONJUNTO DE FREIO

ConcedidaInvention Patent

Application data

Number

PI7703183

Type

Invention Patent

Filing

05/17/1976

Publication

-

Progress at the INPI

  1. Filing05/17/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant12/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ROCKWELL INTERNATIONAL CORP

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Inventors

W. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

110

09/13/1983

RPI 673

120

11/16/1982

RPI 630

Recurso

#12.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

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