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Official data from INPI

APERFEIÇOAMENTO EM ASPIRADOR INDUSTRIAL

ConcedidaInvention Patent

Application data

Number

PI8204199

Type

Invention Patent

Filing

07/20/1982

Publication

02/21/1984

Progress at the INPI

  1. Filing07/20/82
  2. Publication02/21/84
  3. Examination08/28/84
  4. Allowance04/09/85
  5. Grant06/30/87
  6. Terminated02/11/92

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. T. (pessoa física)

PR, BR

Inventors

W. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Notificação para pagamento de retribuição

#13.1

12/23/1986

RPI 844

14.1

09/02/1986

RPI 828

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

08/28/1984

RPI 723

Publicação do pedido de patente

#3.1

02/21/1984

RPI 696

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

02/11/1992

RPI 1106

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