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Official data from INPI

UM CONJUNTO PARA SUPRIR GAS A UM LIQUIDO EM UM RECIPIENTE

Em AnáliseInvention Patent

Application data

Number

PI8207942

Type

Invention Patent

Filing

05/25/1981

Publication

09/20/1983

Progress at the INPI

  1. Filing05/25/81
  2. Publication09/20/83
  3. Examination01/15/85
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated05/24/88

The patent was granted on 02/04/1986 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

ALDOLF KB [SE]

Inventors

A. [. (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

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Retificação da notificação da fase nacional - PCT

#1.3.1

11/08/1983

RPI 681

Notificação de entrada na fase nacional - PCT

#1.3

09/20/1983

RPI 674

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