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Official data from INPI

PROCESSO DE OBTENÇÃO DE UM FIO DE POLIÉSTER LISO E FIO DE POLIÉSTER OBTIDO PORESTE PROCESSO

Arquivada/ExtintaInvention PatentPCT · CH1988000179

Application data

Number

PI8807246

Type

Invention Patent

Filing

10/06/1988

Publication

10/31/1989

PCT

CH1988000179

Progress at the INPI

  1. Filing10/06/88
  2. Publication10/31/89
  3. Examination06/04/91
  4. Allowance08/02/94
  5. Grant04/25/95
  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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia Brasil Ltda

SP, BR

Rhodia S/A

SP, BR

See this company's full portfolio

Inventors

H. S. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

3997/87-3 · 10/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/31/1989

RPI 993

Carta-patente expirada

#21.1

Patente extinta em 06/10/2003

09/02/2008

RPI 1965

Republicação - titular

#25.11

Alterado de: Rhodia S/A. @Referência RPI 1524 de 21/03/2000. Código 25.4 Item (71)

04/18/2000

RPI 1528

Alteração de nome deferida

#25.4

Alterado de: Rhodia S/A

03/21/2000

RPI 1524

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

11/29/1994

RPI 1252

Deferimento

#9.1

08/02/1994

RPI 1235

Solicitação de exame técnico

#4.1

06/04/1991

RPI 1070

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