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Official data from INPI

MECANISMO DE FREIO, DISCO EM FORMATO DE CHAPÉU E PEÇA DE FUNDIÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903652

Type

Invention Patent

Filing

07/24/1989

Publication

03/13/1990

Progress at the INPI

  1. Filing07/24/89
  2. Publication03/13/90
  3. Examination06/02/92
  4. Allowance09/21/93
  5. Grant07/26/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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

Kelsey-Hayes Company

US

See this company's full portfolio

Inventors

A. E. (pessoa física)

US

L. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

224.096 · 07/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 24/07/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

07/26/1994

RPI 1234

Notificação para pagamento de retribuição

#13.1

02/22/1994

RPI 1212

Deferimento

#9.1

09/21/1993

RPI 1190

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

03/13/1990

RPI 1009

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