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

MATERIAIS INTEGRADOS DE CONTACTO ELETRICO DE LIGA DE AG-SNO

ConcedidaInvention Patent

Application data

Number

PI7801632

Type

Invention Patent

Filing

06/20/1977

Publication

-

Progress at the INPI

  1. Filing06/20/77
  2. Publication
  3. Examination
  4. Allowance08/17/82
  5. Grant12/27/83
  6. Terminated01/28/92

The patent was granted on 12/27/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CHUGAI ELECTRIC IND CO LTD

Inventors

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

10/25/1983

RPI 679

110

07/26/1983

RPI 666

Deferimento

#9.1

08/17/1982

RPI 617

Notificação para pagamento de retribuição

#13.1

08/10/1982

RPI 616

Deferimento

#9.1

04/20/1982

RPI 600

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Patent monitoring

Track this patent in real time.

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