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

MÁQUINA DE ESTIRAMENTO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103603

Type

Invention Patent

Filing

08/22/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing08/22/91
  2. Publication05/12/92
  3. Examination11/17/92
  4. Allowance12/29/98
  5. Grant06/29/99
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nippon Petrochemicals Co., Ltd

JP

Polymer Processing Research Institute, Ltd

JP

Inventors

H. R. (pessoa física)

JP

H. Y. (pessoa física)

JP

K. K. (pessoa física)

JP

K. A. (pessoa física)

JP

T. H. (pessoa física)

JP

T. O. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

2-222095 · 08/23/1990

JP

2-243146 · 09/13/1990

JP

2-256288 · 09/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinte em 22/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

12/29/1998

RPI 1460

Solicitação de exame técnico

#4.1

11/17/1992

RPI 1146

Publicação do pedido de patente

#3.1

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

10/01/1991

RPI 1087

Patent monitoring

Track this patent in real time.

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