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Official data from INPI

PE DE PRESSAO PARA FECHOS CORREDICOS DISFARCADOS

Arquivada/ExtintaUtility Model

Application data

Number

MU5801236

Type

Utility Model

Filing

09/20/1977

Publication

-

Progress at the INPI

  1. Filing09/20/77
  2. Publication
  3. Examination
  4. Allowance01/12/82
  5. Grant
  6. Expired11/08/88

The letters patent expired on 11/08/1988: 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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

11/08/1988

RPI 942

Notificação para pagamento de retribuição

#13.1

05/11/1982

RPI 603

Deferimento

#9.1

01/12/1982

RPI 586

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