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

TIRA DE LIGA DE METAL E PROCESSO PARA FUNDIÇÃO DE UM MATERIAL DE TIRA AMORFA .

ConcedidaInvention Patent

Application data

Number

PI8102817

Type

Invention Patent

Filing

05/07/1981

Publication

-

Progress at the INPI

  1. Filing05/07/81
  2. Publication
  3. Examination02/05/85
  4. Allowance10/04/88
  5. Grant07/25/89
  6. Expired10/01/96

The letters patent expired on 10/01/1996: 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

See this company's full portfolio

Inventors

A. L. (pessoa física)

D. (pessoa física)

V. V. (pessoa física)

W. S. (pessoa física)

Technical data

Priority claims

US

235.064 · 02/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/24/1989

RPI 953

Deferimento

#9.1

10/04/1988

RPI 937

Exigência - art. 36 da LPI

#6.1

04/22/1987

RPI 861

Conhecimento de parecer técnico

#7.1

06/10/1986

RPI 816

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

Related

From the same holder

Patent monitoring

Track this patent in real time.

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