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

SISTEMA MOSTRADOR DE INFORMAÇÃO E PROCESSO DE MOSTRAR INFORMAÇÃO EXCLUSIVA DE ASSINANTE

Em AnáliseInvention PatentPCT · US1985001721

Application data

Number

PI8506941

Type

Invention Patent

Filing

09/10/1985

Publication

12/23/1986

PCT

US1985001721

Progress at the INPI

  1. Filing09/10/85
  2. Publication12/23/86
  3. Examination05/03/88
  4. Allowance02/13/91
  5. Grant10/29/91
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Scientific Atlanta, Inc

US

Scientific Atlanta, Inc.

US

See this company's full portfolio

Inventors

K. L. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

653.061 · 09/21/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/03/1988

RPI 915

Notificação de entrada na fase nacional - PCT

#1.3

12/23/1986

RPI 844

Carta-patente expirada

#21.1

Patente extinta em 10/09/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Deferimento

#9.1

02/13/1991

RPI 1054

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

Patent monitoring

Track this patent in real time.

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