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

PROCESSO DE ELABORAÇÃO DE LIGAS METÁLICAS AMORFAS À BASE DE FERRO, FÓSFORO, CARBONO E CROMO E LIGA AMORFA ASSIM OBTIDA

ConcedidaInvention Patent

Application data

Number

PI8201017

Type

Invention Patent

Filing

02/26/1982

Publication

01/04/1983

Progress at the INPI

  1. Filing02/26/82
  2. Publication01/04/83
  3. Examination04/19/83
  4. Allowance10/27/87
  5. Grant05/31/88
  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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pont-A-Mousson S.A.

FR

See this company's full portfolio

Inventors

L. A. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 03 978 · 02/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

08/02/1988

RPI 928

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

05/19/1987

RPI 865

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

04/19/1983

RPI 652

Publicação do pedido de patente

#3.1

01/04/1983

RPI 637

Pedido de patente depositado

#2.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

Patente extinta em 26/02/97

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.