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

SISTEMA E PROCESSO DE SEGURANÇA VISUAL DE EMERGÊNCIA DE ESTAÇÃO DE OPERADOR

Arquivada/ExtintaInvention PatentPCT · US1988002403

Application data

Number

PI8807622

Type

Invention Patent

Filing

07/21/1988

Publication

05/29/1990

PCT

US1988002403

Progress at the INPI

  1. Filing07/21/88
  2. Publication05/29/90
  3. Examination07/30/91
  4. Allowance03/08/94
  5. Grant10/25/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. W. (pessoa física)

US

Inventors

B. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

076,597 · 07/22/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

06/21/1994

RPI 1229

Deferimento

#9.1

03/08/1994

RPI 1214

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

Notificação de entrada na fase nacional - PCT

#1.3

05/29/1990

RPI 1020

Patent monitoring

Track this patent in real time.

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