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Official data from INPI

EQUIPAMENTO COMPRESSOR

Em AnáliseInvention Patent

Application data

Number

PI8207185

Type

Invention Patent

Filing

12/11/1981

Publication

10/11/1983

Progress at the INPI

  1. Filing12/11/81
  2. Publication10/11/83
  3. Examination12/31/85
  4. Allowance06/09/87
  5. Grant11/24/87
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ISARTALER SCHRAUBENKOMPRESSOR [DE]

Inventors

H. R. (pessoa física)

M. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

09/19/1989

RPI 987

Pedido de licença voluntária

#17.1

01/03/1989

RPI 950

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/29/1987

RPI 884

Deferimento

#9.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

10/29/1986

RPI 836

Solicitação de exame técnico

#4.1

12/31/1985

RPI 793

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Carta-patente expirada

#21.1

Patente extinta em 10/12/97

08/19/2008

RPI 1963

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