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Official data from INPI

IMPLEMENTO DE MÚLTIPLO USO PARA PREPARO DO SOLO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905034

Type

Invention Patent

Filing

09/29/1989

Publication

09/18/1990

Progress at the INPI

  1. Filing09/29/89
  2. Publication09/18/90
  3. Examination11/24/92
  4. Allowance10/26/93
  5. Grant05/30/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Universidade Estadual de Campinas - Unicamp

SP, BR

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Inventors

C. C. (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 29/09/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

05/30/1995

RPI 1278

Retificação

#15.6

03/14/1995

RPI 1267

Retificação

#15.3

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

Solicitação de exame técnico

#4.1

11/24/1992

RPI 1147

Publicação antecipada

#3.2

09/18/1990

RPI 1033

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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