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Official data from INPI

PROCESSO E APERELHO PARA A DISPOSITICAO DE ESPIRAS HELICOIDAIS EM POSICAO ENTREMEADA LADO A LADO

ConcedidaInvention Patent

Application data

Number

PI8104424

Type

Invention Patent

Filing

07/12/1980

Publication

03/30/1982

Progress at the INPI

  1. Filing07/12/80
  2. Publication03/30/82
  3. Examination11/09/82
  4. Allowance03/25/86
  5. Grant09/30/86
  6. Terminated09/13/94

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HAAKSBERGEN T T BV

Inventors

L. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/15/1986

RPI 821

Deferimento

#9.1

03/25/1986

RPI 805

Exigência - art. 36 da LPI

#6.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Publicação do pedido de patente

#3.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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