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Official data from INPI

PROCESSO PARA PRODUÇÃO DE PRODUTOS DE PAPEL MACIO, E, PROCESSOS PARA MANIPULAÇÃO, E TRATAMENTO, DE PASTA DE PAPEL

Arquivada/ExtintaInvention PatentPCT · US1989001581

Application data

Number

PI8907405

Type

Invention Patent

Filing

04/14/1989

Publication

04/30/1991

PCT

US1989001581

Progress at the INPI

  1. Filing04/14/89
  2. Publication04/30/91
  3. Examination12/03/91
  4. Allowance03/30/99
  5. Grant07/27/99
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

US

Inventors

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

187,660 · 04/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

03/30/1999

RPI 1473

Exigência - art. 36 da LPI

#6.1

07/28/1998

RPI 1440

Exigência - art. 36 da LPI

#6.1

07/25/1995

RPI 1286

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

Notificação de entrada na fase nacional - PCT

#1.3

04/30/1991

RPI 1065

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