Official data from INPI

SULCADOR PONTIAGUDO.

ConcedidaInvention Patent

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Application data

Number

PI8501248

Type

Invention Patent

Filing

03/20/1985

Publication

10/29/1986

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Progress at the INPI

Filing03/20/85
Publication10/29/86
Examination01/27/87
Allowance06/28/88
Grant02/28/89
Expired07/15/08

The letters patent expired on 07/15/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Baldan_ Implementos Agrícolas S/A.

SP, BR

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Inventors

O. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

01/27/1987

RPI 849

Publicação do pedido de patente

#3.1

10/29/1986

RPI 836

Pedido de patente depositado

#2.1

06/11/1985

RPI 764

Carta-patente expirada

#21.1

Patente extinta em 20/03/2000

07/15/2008

RPI 1958

201

08/21/1990

RPI 1029

Pedido de licença voluntária

#17.1

04/10/1990

RPI 1013

Concessão anulada

#16.2

04/03/1990

RPI 1012

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