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Official data from INPI

PONTILHÕES EM ABÓBADAS E MUROS PRÉ-MOLDADOS SOLIDARIZADOS COM CONCRETO MOLDADO NO LOCAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001786

Type

Invention Patent

Filing

04/17/1990

Publication

11/12/1991

Progress at the INPI

  1. Filing04/17/90
  2. Publication11/12/91
  3. Examination04/14/92
  4. Allowance01/02/96
  5. Grant02/25/97
  6. Expired05/18/10

The letters patent expired on 05/18/2010: 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: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade de São Paulo - USP

SP, BR

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Inventors

M. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/04/2005

05/18/2010

RPI 2054

Concessão da patente

#16.1

02/25/1997

RPI 1369

Notificação para pagamento de retribuição

#13.1

07/02/1996

RPI 1335

Deferimento

#9.1

01/02/1996

RPI 1309

Solicitação de exame técnico

#4.1

04/14/1992

RPI 1115

Publicação do pedido de patente

#3.1

11/12/1991

RPI 1093

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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