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Official data from INPI

VÁLVULA DE CONTROLE DE FLUÍDO E COMBINAÇÃO DE UM COMPRESSOR DE GÁS, UM RESERVATÓRIO DE ÓLEO, DISPOSITIVO PARA CONDUZIR ÓLEO DO RESERVATÓRIO PARA DENTRO DO COMPRESSOR DE GÁS, E UMA VÁLVULA DE CONTROLE DE FLUÍDO

Em AnáliseInvention Patent

Application data

Number

PI8700627

Type

Invention Patent

Filing

02/11/1987

Publication

12/08/1987

Progress at the INPI

  1. Filing02/11/87
  2. Publication12/08/87
  3. Examination11/07/89
  4. Allowance06/19/90
  5. Grant12/26/90
  6. Terminated10/17/95

The patent was granted on 12/26/1990 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ingersoll - Rand Company

US

See this company's full portfolio

Inventors

T. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

828.673 · 02/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

12/08/1987

RPI 894

Pedido de patente depositado

#2.1

06/09/1987

RPI 868

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

10/02/1990

RPI 1035

Deferimento

#9.1

06/19/1990

RPI 1023

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