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Official data from INPI

CADARCO DE ZIPERS PARA FECHOS CORREDICOS E PROCESSO PARA FABRICACAO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI7903748

Type

Invention Patent

Filing

06/10/1978

Publication

-

Progress at the INPI

  1. Filing06/10/78
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant04/26/83
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 04/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. K. (pessoa física)

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Inventors

Y. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

Cessão de direito de exploração

#22.1

11/12/1991

RPI 1093

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