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

PROCESSO DE LAMINAR E TRATAR TERMICAMENTE UM VERGALHÃO DE AÇO INOXIDÁVEL DE PEQUENO DIÂMETRO

Em ExigênciaInvention Patent

Application data

Number

PI8503592

Type

Invention Patent

Filing

07/29/1985

Publication

04/29/1986

Progress at the INPI

  1. Filing07/29/85
  2. Publication04/29/86
  3. Examination05/17/88
  4. Allowance04/06/93
  5. Grant09/28/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Morgan Construction Company

US

See this company's full portfolio

Inventors

A. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

635.713 · 07/30/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

05/17/1988

RPI 917

Publicação do pedido de patente

#3.1

04/29/1986

RPI 810

Pedido de patente depositado

#2.1

09/24/1985

RPI 779

Carta-patente expirada

#21.1

Patente extinta em 29/07/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/28/1993

RPI 1191

Deferimento

#9.1

04/06/1993

RPI 1166

Exigência - art. 36 da LPI

#6.1

09/22/1992

RPI 1138

Exigência - art. 36 da LPI

#6.1

05/28/1991

RPI 1069

Patent monitoring

Track this patent in real time.

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