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Official data from INPI

FELTRO-PRENSA CONTÍNUO DE FALSO TECIDO

Arquivada/ExtintaInvention PatentPCT · US1988003241

Application data

Number

PI8807733

Type

Invention Patent

Filing

09/20/1988

Publication

10/16/1990

PCT

US1988003241

Progress at the INPI

  1. Filing09/20/88
  2. Publication10/16/90
  3. Examination07/16/91
  4. Allowance04/25/95
  5. Grant10/31/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Tamfelt, Inc

US

Inventors

R. L. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

106,065 · 10/07/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

07/16/1991

RPI 1076

Notificação de entrada na fase nacional - PCT

#1.3

10/16/1990

RPI 1037

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