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Official data from INPI

FREIO A DISCO

ConcedidaInvention Patent

Application data

Number

PI7807752

Type

Invention Patent

Filing

11/29/1977

Publication

-

Progress at the INPI

  1. Filing11/29/77
  2. Publication
  3. Examination
  4. Allowance09/21/82
  5. Grant05/31/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DBA SA

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Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/25/1983

RPI 640

Deferimento

#9.1

09/21/1982

RPI 622

Exigência - art. 36 da LPI

#6.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

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