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Official data from INPI

QUEIMADOR

Em AnáliseInvention Patent
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Application data

Number

PI8103994

Type

Invention Patent

Filing

06/25/1981

Publication

02/01/1983
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Progress at the INPI

  1. Filing06/25/81
  2. Publication02/01/83
  3. Examination08/02/83
  4. Allowance02/28/84
  5. Grant10/30/84
  6. Terminated02/04/92

The patent was granted on 10/30/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER IND COM LTD [BR]

Inventors

W. L. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

07/28/1987

RPI 875

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

08/02/1983

RPI 667

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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