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Official data from INPI

DRENO VERTICAL COMPOSTO.

ConcedidaUtility Model

Application data

Number

MU6100759

Type

Utility Model

Filing

06/03/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing06/03/81
  2. Publication01/12/82
  3. Examination03/30/82
  4. Allowance08/21/84
  5. Grant04/30/85
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhodia S/A

SP, BR

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Inventors

V. J. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

03/30/1982

RPI 597

Publicação antecipada

#3.2

01/12/1982

RPI 586

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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