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

REDE DE ÁREA LOCAL PARA COMUNICAÇÃO ENTRE DOIS OU MAIS TERMINAIS

Em AnáliseInvention Patent

Application data

Number

PI8502614

Type

Invention Patent

Filing

05/31/1985

Publication

02/04/1986

Progress at the INPI

  1. Filing05/31/85
  2. Publication02/04/86
  3. Examination04/05/88
  4. Allowance12/26/90
  5. Grant07/30/91
  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: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

X. C. (pessoa física)

US

See this company's full portfolio

Inventors

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

616,348 · 06/01/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/05/1988

RPI 911

Publicação do pedido de patente

#3.1

02/04/1986

RPI 798

Pedido de patente depositado

#2.1

08/06/1985

RPI 772

Carta-patente expirada

#21.1

Patente extinta em 31/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

07/30/1991

RPI 1078

Notificação para pagamento de retribuição

#13.1

04/09/1991

RPI 1062

Deferimento

#9.1

12/26/1990

RPI 1047

Exigência - art. 36 da LPI

#6.1

07/24/1990

RPI 1025

Patent monitoring

Track this patent in real time.

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