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Official data from INPI

DISPOSITIVO DE INJECAO PARA APLICACAO DE UM INVOLUCRO DE MATERIAL ALONGADO E PROCESSO PARA O PREPARO DESTE MATERIAL PLASTICO

Em AnáliseInvention Patent

Application data

Number

PI7907026

Type

Invention Patent

Filing

03/21/1979

Publication

-

Progress at the INPI

  1. Filing03/21/79
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant07/26/83
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 11/01/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. G. (pessoa física)

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Inventors

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/01/1983

RPI 680

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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