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Official data from INPI

INSTRUMENTO DE CONTROLE INDICADOR DO COMPORTAMENTO DE ESTACAS CRAVADAS NO SOLO

Prazo de SigiloInvention Patent

Application data

Number

PI8902000

Type

Invention Patent

Filing

04/27/1989

Publication

01/29/1991

Progress at the INPI

  1. Filing04/27/89
  2. Publication01/29/91
  3. Examination08/20/91
  4. Allowance02/22/94
  5. Grant11/29/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 06/06/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Scac Fundações e Estruturas Ltda

SP, BR

SCAC-S/A.Engenharia de Fundacões e Estruturas

SP, BR

Inventors

N. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

06/06/1989

RPI 972

Carta-patente expirada

#21.1

Patente extinta em 27/04/2004

12/22/2009

RPI 2033

20.4

10/03/1995

RPI 1296

Pedido de licença compulsória

#20.1

09/26/1995

RPI 1295

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

06/07/1994

RPI 1227

Deferimento

#9.1

02/22/1994

RPI 1212

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Publicação do pedido de patente

#3.1

01/29/1991

RPI 1052

14.1

09/18/1990

RPI 1033

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