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

PROCESSO PARA REVESTIR AÇO COM UM REVESTIMENTO RESISTENTE À CORROSÃO, INORGÂNICO, NÃO-TÓXICO; E CHAPA DE AÇO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105431

Type

Invention Patent

Filing

12/13/1991

Publication

08/25/1992

Progress at the INPI

  1. Filing12/13/91
  2. Publication08/25/92
  3. Examination11/16/93
  4. Allowance05/04/99
  5. Grant07/27/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Armco Steel Company, L.P

US

See this company's full portfolio

Inventors

A. S. (pessoa física)

US

W. O. (pessoa física)

US

Technical data

Priority claims

US

632.858 · 12/24/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/12/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

07/27/1999

RPI 1490

Republicação - classificação IPC

#15.11

Alterada para Int. Cl.6 C23C 22/62, C23C 28/00 e C09D 5/08.

05/04/1999

RPI 1478

Deferimento

#9.1

05/04/1999

RPI 1478

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

08/25/1992

RPI 1134

Pedido de patente depositado

#2.1

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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