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Official data from INPI

FELTRO PARA USO EM MÁQUINAS DE FABRICAÇÃO DE PAPEL

Arquivada/ExtintaInvention PatentPCT · GB1990001846

Application data

Number

PI9007083

Type

Invention Patent

Filing

11/28/1990

Publication

11/26/1991

PCT

GB1990001846

Progress at the INPI

  1. Filing11/28/90
  2. Publication11/26/91
  3. Examination10/05/93
  4. Allowance01/26/99
  5. Grant07/27/99
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

C. K. (pessoa física)

US

R. D. (pessoa física)

US

S. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8927020.1 · 11/29/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/11/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

01/26/1999

RPI 1464

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1991

RPI 1095

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