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Official data from INPI

CADARCO DE FECHO CORREDICO

ConcedidaUtility Model

Application data

Number

MU5801398

Type

Utility Model

Filing

10/05/1977

Publication

-

Progress at the INPI

  1. Filing10/05/77
  2. Publication
  3. Examination
  4. Allowance08/09/83
  5. Grant02/28/84
  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.

Talk to a specialist

Latest action published by the INPI: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

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Inventors

H. T. (pessoa física)

T. K. (pessoa física)

Y. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Republicação - classificação IPC

#15.11

09/06/1983

RPI 672

Deferimento

#9.1

08/09/1983

RPI 668

6.2

03/02/1982

RPI 593

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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