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Official data from INPI

APERFEICOAMENTO EM UM COMPRESSOR ROTATIVO

Em AnáliseInvention Patent

Application data

Number

PI8103989

Type

Invention Patent

Filing

06/24/1981

Publication

02/01/1983

Progress at the INPI

  1. Filing06/24/81
  2. Publication02/01/83
  3. Examination09/27/83
  4. Allowance05/15/84
  5. Grant11/27/84
  6. Terminated05/24/88

The patent was granted on 11/27/1984 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON SOKEN [JP]

Inventors

H. S. (pessoa física)

M. I. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

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