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

PROCESSO DE RETIRADA DE SOLIDIFICACAO DIRECIONAL DE PECA DE FUNDICAO DE METAL E RESPECTIVO ARTIGO DIRECIONALMENTE SOLIDIFICADO

Em AnáliseInvention Patent

Application data

Number

PI7906839

Type

Invention Patent

Filing

10/25/1978

Publication

-

Progress at the INPI

  1. Filing10/25/78
  2. Publication
  3. Examination04/20/82
  4. Allowance05/22/84
  5. Grant
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 09/04/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

Patent monitoring

Track this patent in real time.

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