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Official data from INPI

MAQUINA PROCESSADORA DE MATERIAIS PLASTICOS E POLIMERICOS

Em AnáliseInvention Patent

Application data

Number

PI7905422

Type

Invention Patent

Filing

08/21/1978

Publication

-

Progress at the INPI

  1. Filing08/21/78
  2. Publication
  3. Examination06/29/82
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 02/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

USM CORP

See this company's full portfolio

Inventors

H. P. (pessoa física)

T. Z. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

02/24/1987

RPI 853

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

8.1

05/24/1983

RPI 657

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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