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Official data from INPI

SERVO FREIO

Em AnáliseInvention Patent

Application data

Number

PI8504533

Type

Invention Patent

Filing

09/18/1985

Publication

07/15/1986

Progress at the INPI

  1. Filing09/18/85
  2. Publication07/15/86
  3. Examination09/06/88
  4. Allowance07/04/89
  5. Grant03/20/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

L. M. (pessoa física)

US

L. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

652.384 · 09/20/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/31/1989

RPI 993

Deferimento

#9.1

07/04/1989

RPI 976

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Publicação do pedido de patente

#3.1

07/15/1986

RPI 821

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Carta-patente expirada

#21.1

Patente extinta em 18/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

03/20/1990

RPI 1010

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