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Official data from INPI

SEGADORA AUTOMOTRIZ PARA COLHEITA DE CANA DE AÇÚCAR

ConcedidaInvention Patent
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Application data

Number

PI8202290

Type

Invention Patent

Filing

04/20/1982

Publication

04/05/1983
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Progress at the INPI

  1. Filing04/20/82
  2. Publication04/05/83
  3. Examination06/25/85
  4. Allowance04/29/86
  5. Grant11/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. O. (pessoa física)

DE

Inventors

W. W. (pessoa física)

DE

Technical data

IPC Classification

A01D 45/10

Priority claims

DE

P 31 15 924.9 · 04/22/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

04/29/1986

RPI 810

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

04/05/1983

RPI 650

Pedido de patente depositado

#2.1

06/08/1982

RPI 607

Carta-patente expirada

#21.1

Patente extinta em 20/04/97

07/01/2008

RPI 1956

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