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Official data from INPI

SUBSOLADOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8904110

Type

Invention Patent

Filing

08/16/1989

Publication

02/19/1991

Progress at the INPI

  1. Filing08/16/89
  2. Publication02/19/91
  3. Examination06/08/93
  4. Allowance11/16/93
  5. Grant08/30/94
  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: 12/22/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IMAP - Metalúrgica Agrícola S/A

RS, BR

IMAP S.A. - Indústria e Comércio

RS, BR

Inventors

J. R. (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 16/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/22/1994

RPI 1216

Deferimento

#9.1

11/16/1993

RPI 1198

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Publicação do pedido de patente

#3.1

02/19/1991

RPI 1055

Pedido de patente depositado

#2.1

10/23/1990

RPI 1038

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