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Official data from INPI

VÁLVULA DE LAMELAS PARA COMPRESSOR

Em AnáliseInvention Patent

Application data

Number

PI8202677

Type

Invention Patent

Filing

05/10/1982

Publication

04/19/1983

Progress at the INPI

  1. Filing05/10/82
  2. Publication04/19/83
  3. Examination12/11/84
  4. Allowance07/08/86
  5. Grant03/31/87
  6. Terminated05/24/88

The patent was granted on 03/31/1987 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: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enfo Grundlagen Forschungs Ag.

CH

Inventors

F. B. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

2111/81 · 05/12/1981

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

03/31/1987

RPI 858

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

06/22/1982

RPI 609

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