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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE POLÍMEROS INERENTEMENTE PEGAJOSOS, SENSÍVEIS À PRESSÃO

Arquivada/ExtintaInvention PatentPCT · US1993002001

Application data

Number

PI9306059

Type

Invention Patent

Filing

03/09/1993

Publication

11/18/1997

PCT

US1993002001

Progress at the INPI

  1. Filing03/09/93
  2. Publication11/18/97
  3. Examination
  4. Allowance06/25/02
  5. Grant10/29/02
  6. Expired07/09/13

The letters patent expired on 07/09/2013: 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: 07/09/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

US

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Inventors

M. B. (pessoa física)

US

Technical data

Priority claims

US

848,092 · 03/09/1992

US

955,467 · 10/02/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/03/2013

07/09/2013

RPI 2218

Concessão da patente

#16.1

10/29/2002

RPI 1660

9.1.3

Ref. RPI 1642 de 25/06/2002 item (54).

10/15/2002

RPI 1658

Deferimento

#9.1

06/25/2002

RPI 1642

Exigência - art. 36 da LPI

#6.1

12/11/2001

RPI 1614

Exigência - art. 36 da LPI

#6.1

08/15/2000

RPI 1545

Notificação de entrada na fase nacional - PCT

#1.3

11/18/1997

RPI 1407

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