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Official data from INPI

ALMOFADA ABSORVENTE E PROCESO DE CONSTRUÇÃO DA MESMA

Arquivada/ExtintaInvention PatentPCT · US1989003936

Application data

Number

PI8907661

Type

Invention Patent

Filing

09/18/1989

Publication

07/30/1991

PCT

US1989003936

Progress at the INPI

  1. Filing09/18/89
  2. Publication07/30/91
  3. Examination09/22/92
  4. Allowance11/22/94
  5. Grant10/31/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clean-Pak, Inc.

US

Dry Forming Processes Ab.

SE

S. C. (pessoa física)

US

Inventors

B. E. (pessoa física)

SE

J. R. (pessoa física)

US

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

246,155 · 09/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

10/31/1995

RPI 1300

14.1

06/20/1995

RPI 1281

14.1

06/13/1995

RPI 1280

Notificação para pagamento de retribuição

#13.1

03/28/1995

RPI 1269

Deferimento

#9.1

11/22/1994

RPI 1251

Exigência - art. 36 da LPI

#6.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

09/22/1992

RPI 1138

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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