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

APARELHO PARA INJETAR UM INGREDIENTE FORMADOR DE LIGA EM UMA CORRENTE DE METAL EM FUSÃO E BOCAL INJETOR RÍGIDO

Em AnáliseInvention Patent

Application data

Number

PI8801061

Type

Invention Patent

Filing

03/10/1988

Publication

11/29/1988

Progress at the INPI

  1. Filing03/10/88
  2. Publication11/29/88
  3. Examination03/28/89
  4. Allowance03/01/95
  5. Grant08/29/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inland Steel Company

US

See this company's full portfolio

Inventors

D. J. (pessoa física)

US

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

51.943 · 05/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/28/1989

RPI 962

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

07/05/1988

RPI 924

Carta-patente expirada

#21.1

Patente extinta em 10/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

08/29/1995

RPI 1291

Republicação - classificação IPC

#15.11

05/02/1995

RPI 1274

Deferimento

#9.1

03/01/1995

RPI 1265

Patent monitoring

Track this patent in real time.

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