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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE GÁS CIANÍDRICO.

Em AnáliseInvention Patent

Application data

Number

PI8007618

Type

Invention Patent

Filing

11/21/1980

Publication

-

Progress at the INPI

  1. Filing11/21/80
  2. Publication
  3. Examination08/30/83
  4. Allowance07/17/84
  5. Grant02/26/85
  6. Terminated07/12/88

The patent was granted on 02/26/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

K. P. (pessoa física)

S. H. (pessoa física)

V. C. (pessoa física)

Technical data

Priority claims

DE

P 29 47 498.4 · 11/24/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

11/13/1984

RPI 734

Deferimento

#9.1

07/17/1984

RPI 717

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

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