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

SISTEMA DE PROCESSAMENTO DE DADOS COM MECANISMO DE INVALIDACAO DE ORDENACAO DE CONSULTA

ConcedidaInvention Patent

Application data

Number

PI7704024

Type

Invention Patent

Filing

06/21/1976

Publication

-

Progress at the INPI

  1. Filing06/21/76
  2. Publication
  3. Examination
  4. Allowance07/19/83
  5. Grant12/27/83
  6. Expired07/06/93

The letters patent expired on 07/06/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IBM

See this company's full portfolio

Inventors

H. S. (pessoa física)

W. C. (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

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Carta-patente expirada

#21.1

07/06/1993

RPI 1179

Related

Same category

Patent monitoring

Track this patent in real time.

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