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Official data from INPI

MASSAS DE MOLDAÇÃO DE POLIÉSTER RESISTENTES A CHAMAS, SUA APLICAÇÃO, BEM COMO CORPOS DE MOLDAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906825

Type

Invention Patent

Filing

12/28/1989

Publication

09/18/1990

Progress at the INPI

  1. Filing12/28/89
  2. Publication09/18/90
  3. Examination11/24/92
  4. Allowance09/26/95
  5. Grant05/27/97
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Du Pont de Nemours GmbH

DE

See this company's full portfolio

Inventors

D. B. (pessoa física)

DE

D. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

CH

4844/88 · 12/29/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/25/1997

RPI 1373

9.1.3

07/30/1996

RPI 1339

Deferimento

#9.1

09/26/1995

RPI 1295

14.1

10/11/1994

RPI 1245

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação do pedido de patente

#3.1

09/18/1990

RPI 1033

Pedido de patente depositado

#2.1

04/10/1990

RPI 1013

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