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Official data from INPI

APARELHO E PROCESSO PARA MOLDAGEM POR INJECAO DE CERTOS PLASTICOS PARA MAXIMIZAR DISPERSAO DE COR E CARBONIZACAO NO PRODUTO

Em AnáliseInvention Patent

Application data

Number

PI7900796

Type

Invention Patent

Filing

02/09/1978

Publication

-

Progress at the INPI

  1. Filing02/09/78
  2. Publication
  3. Examination
  4. Allowance07/19/83
  5. Grant07/30/85
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 09/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DART IND INC

See this company's full portfolio

Inventors

C. G. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

09/02/1986

RPI 828

Concessão da patente

#16.1

07/30/1985

RPI 771

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/16/1983

RPI 682

Deferimento

#9.1

07/19/1983

RPI 665

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

Conhecimento de parecer técnico

#7.1

08/24/1982

RPI 618

6.2

01/26/1982

RPI 588

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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