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Official data from INPI

PROCESSO DE PREPARAÇÃO DE POLIURETANO RÍGIDO

PublicadaInvention Patent

Application data

Number

PI8701098

Type

Invention Patent

Filing

03/11/1987

Publication

09/13/1988

Progress at the INPI

  1. Filing03/11/87
  2. Publication09/13/88
  3. Examination
  4. Allowance07/04/95
  5. Grant12/29/98
  6. Expired12/05/12

The letters patent expired on 12/05/2012: 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: 09/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Brastemp S/A

SP, BR

Multibrás S/A Eletrodomésticos

SP, BR

See this company's full portfolio

Inventors

S. S. (pessoa física)

BR

W. M. (pessoa física)

BR

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/13/1988

RPI 934

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Carta-patente expirada

#21.1

Patente extinta em 29/12/2008

12/05/2012

RPI 2187

Concessão da patente

#16.1

12/29/1998

RPI 1460

14.4

06/04/1996

RPI 1331

14.7

06/04/1996

RPI 1331

Notificação para pagamento de retribuição

#13.1

11/14/1995

RPI 1302

Deferimento

#9.1

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

02/24/1993

RPI 1160

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