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Official data from INPI

MODELO DE CAIXA ARQUIVO

Arquivada/ExtintaUtility Model

Application data

Number

MU5601525

Type

Utility Model

Filing

12/16/1976

Publication

-

Progress at the INPI

  1. Filing12/16/76
  2. Publication
  3. Examination
  4. Allowance11/03/82
  5. Grant03/29/83
  6. Expired08/16/88

The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLABIN IRMAOS & CIA

Inventors

P. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

100

11/03/1982

RPI 628

120

03/16/1982

RPI 595

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