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Official data from INPI

Fibra conjugada e moldagem não trançada

PublicadaInvention Patent
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Application data

Number

PI8802301

Type

Invention Patent

Filing

05/12/1988

Publication

12/05/1989
View on INPI

Progress at the INPI

  1. Filing05/12/88
  2. Publication12/05/89
  3. Examination10/15/91
  4. Allowance07/09/96
  5. Grant08/26/97
  6. Expired08/26/08

The letters patent expired on 08/26/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Chemical Company, Limited

JP

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Inventors

K. A. (pessoa física)

JP

T. S. (pessoa física)

JP

T. O. (pessoa física)

JP

Technical data

IPC Classification

D01F 8/04

Priority claims

JP

25466/88 · 02/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/05/1989

RPI 998

Carta-patente expirada

#21.1

Patente extinta em 12/05/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/09/1996

RPI 1336

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Exigência - art. 36 da LPI

#6.1

05/17/1994

RPI 1224

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

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