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Official data from INPI

Conjunto de atuação de freio a disco e respecitivo automático de folga.

Em AnáliseInvention Patent

Application data

Number

PI8102778

Type

Invention Patent

Filing

05/05/1981

Publication

01/26/1982

Progress at the INPI

  1. Filing05/05/81
  2. Publication01/26/82
  3. Examination01/24/84
  4. Allowance03/05/85
  5. Grant10/01/85
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 09/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

G. W. (pessoa física)

N. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

147.643 · 05/07/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

09/23/1986

RPI 831

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

Deferimento

#9.1

03/05/1985

RPI 750

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Publicação do pedido de patente

#3.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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