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

APARELHO E PROCESSO DE FUNDICA SOB PRESSAO

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8000848

Type

Invention Patent

Filing

02/14/1979

Publication

-
View on INPI

Progress at the INPI

  1. Filing02/14/79
  2. Publication
  3. Examination11/10/81
  4. Allowance09/01/87
  5. Grant04/26/88
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON DENSO CO

Inventors

H. S. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

B22D 17/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

12/29/1987

RPI 897

Deferimento

#9.1

09/01/1987

RPI 880

Exigência - art. 36 da LPI

#6.1

05/06/1986

RPI 811

Exigência - art. 36 da LPI

#6.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Solicitação de exame técnico

#4.1

11/10/1981

RPI 577

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

Related

Patent monitoring

Track this patent in real time.

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