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Official data from INPI

APARELHO E PROCESSO PARA EXTRUSÃO CONTÍNUA DE MATERIAL ELASTOMÉRICO SOBRE O INTERIOR DE UM TECIDO TUBULAR CONTÍNUO NUM TEAR

PublicadaInvention Patent
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Application data

Number

PI8704931

Type

Invention Patent

Filing

09/24/1987

Publication

05/17/1988
View on INPI

Progress at the INPI

  1. Filing09/24/87
  2. Publication05/17/88
  3. Examination10/02/90
  4. Allowance09/26/95
  5. Grant07/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mercedes Textiles Limited

CA

Inventors

H. J. (pessoa física)

CA

R. M. (pessoa física)

CA

Technical data

IPC Classification

D01D 4/02D03D 37/00

Priority claims

CA

519.073 · 09/25/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Carta-patente expirada

#21.1

Patente extinta em 24/09/2002

07/29/2008

RPI 1960

Alteração de sede deferida

#25.7

12/30/1997

RPI 1410

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

03/05/1996

RPI 1318

Deferimento

#9.1

09/26/1995

RPI 1295

Exigência - art. 36 da LPI

#6.1

02/14/1995

RPI 1263

Exigência - art. 36 da LPI

#6.1

11/16/1993

RPI 1198

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

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