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Official data from INPI

VALETADEIRA ROTATIVA

DeferidaInvention Patent
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Application data

Number

PI8600137

Type

Invention Patent

Filing

01/15/1986

Publication

06/17/1986
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Progress at the INPI

  1. Filing01/15/86
  2. Publication06/17/86
  3. Examination08/05/86
  4. Allowance12/05/89
  5. Grant08/28/90
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. R. (pessoa física)

RS, BR

Inventors

J. R. (pessoa física)

BR

Technical data

IPC Classification

E02B 11/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/05/1989

RPI 998

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação antecipada

#3.2

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

04/15/1986

RPI 808

Carta-patente expirada

#21.1

Patente extinta em 15/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/28/1990

RPI 1030

Notificação para pagamento de retribuição

#13.1

04/10/1990

RPI 1013

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