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Official data from INPI

APERFEICOAMENTO EM CONEXOES DE MISTURADORES

Em AnáliseInvention Patent

Application data

Number

PI8002228

Type

Invention Patent

Filing

04/10/1980

Publication

10/13/1981

Progress at the INPI

  1. Filing04/10/80
  2. Publication10/13/81
  3. Examination07/13/82
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Terminated07/26/94

The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. Y. (pessoa física)

Inventors

T. Y. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

12/26/1984

RPI 740

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

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

Publicação do pedido de patente

#3.1

10/13/1981

RPI 573

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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