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Official data from INPI

EQUIPAMENTO PARA PREPARAR PRODUTO DE MATÉRIA SINTÉTICA

Em AnáliseInvention PatentPCT · AT1987000057
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Application data

Number

PI8707497

Type

Invention Patent

Filing

10/09/1987

Publication

12/06/1988

PCT

AT1987000057
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Progress at the INPI

  1. Filing10/09/87
  2. Publication12/06/88
  3. Examination03/07/89
  4. Allowance02/14/95
  5. Grant09/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

AT

Inventors

G. W. (pessoa física)

AT

H. B. (pessoa física)

AT

H. S. (pessoa física)

AT

Technical data

IPC Classification

B29B 13/10B29B 17/00B29C 47/10

Priority claims

AT

A 2701/86 · 10/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/07/1989

RPI 959

Notificação de entrada na fase nacional - PCT

#1.3

12/06/1988

RPI 946

Carta-patente expirada

#21.1

Patente extinta em 09/10/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/26/1995

RPI 1295

Notificação para pagamento de retribuição

#13.1

07/04/1995

RPI 1283

Deferimento

#9.1

02/14/1995

RPI 1263

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