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

POSTE ESTRUTURAL

Em AnáliseInvention Patent

Application data

Number

PI8500424

Type

Invention Patent

Filing

01/30/1985

Publication

09/09/1986

Progress at the INPI

  1. Filing01/30/85
  2. Publication09/09/86
  3. Examination10/25/88
  4. Allowance10/02/90
  5. Grant04/30/91
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tri-Steel Inc.

CA

Inventors

D. B. (pessoa física)

CA

S. L. (pessoa física)

CA

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

09/19/1989

RPI 987

Solicitação de exame técnico

#4.1

10/25/1988

RPI 940

Publicação do pedido de patente

#3.1

09/09/1986

RPI 829

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Carta-patente expirada

#21.1

Patente extinta em 30/01/2000

07/15/2008

RPI 1958

Pedido de licença compulsória

#20.1

07/19/1994

RPI 1233

20.4

07/12/1994

RPI 1232

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

Patent monitoring

Track this patent in real time.

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