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Official data from INPI

DISPOSIÇÃO CONSTRUTIVA EM DISPOSITIVO MODULAR DE DECANTAÇÃO

ConcedidaUtility Model

Application data

Number

MU6101973

Type

Utility Model

Filing

-

Publication

-

Progress at the INPI

  1. Filing
  2. Publication
  3. Examination
  4. Allowance06/21/88
  5. Grant08/29/89
  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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia Hansen Industrial

SC, BR

See this company's full portfolio

Inventors

C. H. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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