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Official data from INPI

PROCESSO PARA ENDURECIMENTO DE ARTIGOS DE ACO E APARELHO DE RESFRIAMENTO BRUSCO PELA PULVERIZACAO COM AGUA

Em AnáliseInvention Patent
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Application data

Number

PI7707741

Type

Invention Patent

Filing

11/22/1976

Publication

-
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Progress at the INPI

  1. Filing11/22/76
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated12/15/87

The patent was granted on 08/28/1984 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. W. (pessoa física)

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Inventors

N. A. (pessoa física)

P. R. (pessoa física)

S. M. (pessoa física)

Technical data

IPC Classification

C21D 1/62

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

16.3

12/04/1984

RPI 737

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

14.1

10/05/1982

RPI 624

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