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Official data from INPI

ESTRUTURA PARA CORTADOR DE GRAMA

Prazo de SigiloInvention Patent
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Application data

Number

PI8902054

Type

Invention Patent

Filing

05/02/1989

Publication

11/06/1990
View on INPI

Progress at the INPI

  1. Filing05/02/89
  2. Publication11/06/90
  3. Examination04/02/91
  4. Allowance10/26/93
  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.

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Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. B. (pessoa física)

SP, BR

Inventors

F. B. (pessoa física)

BR

Technical data

IPC Classification

A01D 34/82

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

06/13/1989

RPI 973

Carta-patente expirada

#21.1

Patente extinta em 02/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

03/15/1994

RPI 1215

Deferimento

#9.1

10/26/1993

RPI 1195

Exigência - art. 36 da LPI

#6.1

05/18/1993

RPI 1172

Exigência - art. 36 da LPI

#6.1

10/20/1992

RPI 1142

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

Publicação do pedido de patente

#3.1

11/06/1990

RPI 1040

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