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Official data from INPI

PROCESSO DE PRODUZIR FIOS DE POLIPROPILENO E APARELHO APROPRIADO PARA A REALIZAÇÃO DO PROCESSO

PublicadaInvention Patent

Application data

Number

PI8801592

Type

Invention Patent

Filing

04/05/1988

Publication

11/08/1988

Progress at the INPI

  1. Filing04/05/88
  2. Publication11/08/88
  3. Examination02/26/91
  4. Allowance04/12/94
  5. Grant10/25/94
  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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. A. (pessoa física)

IT

Inventors

P. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

CH

87810568.3 · 10/02/1987

IT

19990 A/87 · 04/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

Carta-patente expirada

#21.1

Patente extinta em 05/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/09/1994

RPI 1236

Deferimento

#9.1

04/12/1994

RPI 1219

14.7

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

02/26/1991

RPI 1056

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