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Official data from INPI

BOCAL PARA UMA MAQUINA PARA MOLDAR PLASTICO POR INJECAO,UMA BOQUILHA EXTRUSORA OU UMA FERRAMENTA DE CANAL A QUENTE

ConcedidaInvention Patent

Application data

Number

PI7903588

Type

Invention Patent

Filing

06/07/1978

Publication

-

Progress at the INPI

  1. Filing06/07/78
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  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.

Talk to a specialist

Latest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. K. (pessoa física)

Inventors

M. W. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Exigência - art. 36 da LPI

#6.1

08/31/1982

RPI 619

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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