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Official data from INPI

PROCESSO PARA PRODUZIR ALCOOL DESIDRATADO

ConcedidaInvention Patent
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Application data

Number

PI7603204

Type

Invention Patent

Filing

04/02/1976

Publication

-
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Progress at the INPI

  1. Filing04/02/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant01/31/84
  6. Terminated09/18/90

The patent was granted on 01/31/1984 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: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. S. (pessoa física)

Inventors

F. J. (pessoa física)

G. P. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/31/1984

RPI 693

110

11/22/1983

RPI 683

120

06/07/1983

RPI 659

Recurso

#12.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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