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Official data from INPI

AMORTECEDOR DE RUIDOS E DE VIBRAÇÕES PARA ALAVANCA DE CONJUNTO DE CÂMBIO PARA TRANSMISSÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8902510

Type

Invention Patent

Filing

06/01/1989

Publication

01/16/1990

Progress at the INPI

  1. Filing06/01/89
  2. Publication01/16/90
  3. Examination05/12/92
  4. Allowance11/23/93
  5. Grant05/31/94
  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: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

D. S. (pessoa física)

US

J. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

201,508 · 06/02/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/11/1989

RPI 977

Carta-patente expirada

#21.1

Patente extinta em 01/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Solicitação de exame não realizada

#4.2

03/03/1992

RPI 1109

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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