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Official data from INPI

ABSORVEDOR HIDRÁULICO DE CHOQUES DE FORÇA AMORTECEDORA AJUSTÁVEL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906434

Type

Invention Patent

Filing

12/13/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/13/89
  2. Publication08/28/90
  3. Examination02/13/91
  4. Allowance11/23/93
  5. Grant08/30/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tokico Ltd

JP

See this company's full portfolio

Inventors

M. A. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

315921/1988 · 12/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

04/03/1990

RPI 1012

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