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

CORREIA TRANSPORTADORA TUBULAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101119

Type

Invention Patent

Filing

03/21/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/21/91
  2. Publication11/05/91
  3. Examination06/09/92
  4. Allowance03/28/95
  5. Grant10/31/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

JP

Inventors

K. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

2-72175 · 03/23/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/03/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

03/28/1995

RPI 1269

Exigência - art. 36 da LPI

#6.1

09/06/1994

RPI 1240

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/24/1991

RPI 1086

Patent monitoring

Track this patent in real time.

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