(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

AMORTECEDOR HIDRÁULICO E PROCESSO PARA FABRICAR UAM GUIA DE VÁLVULA PARA USO NO MESMO

ConcedidaInvention Patent

Application data

Number

PI8204184

Type

Invention Patent

Filing

07/19/1982

Publication

07/12/1983

Progress at the INPI

  1. Filing07/19/82
  2. Publication07/12/83
  3. Examination10/25/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tokico Ltd

JP

See this company's full portfolio

Inventors

T. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

107479/1981 · 07/20/1981

JP

129180/1981 · 08/18/1981

JP

129181/1981 · 08/18/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Solicitação de exame técnico

#4.1

10/25/1983

RPI 679

Publicação do pedido de patente

#3.1

07/12/1983

RPI 664

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

Patente extinta em 19/07/97

07/01/2008

RPI 1956

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.