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Official data from INPI

PROCESSO CONTINUO DE FERMENTACAO ALCOOLICA DE ACUCARES

ConcedidaInvention Patent
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Application data

Number

PI7902520

Type

Invention Patent

Filing

04/24/1979

Publication

-
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Progress at the INPI

  1. Filing04/24/79
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant09/06/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/06/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. P. (pessoa física)

PROCESSOS LTD

S. D. (pessoa física)

SISTEMA

Inventors

A. S. (pessoa física)

Technical data

IPC Classification

C12P 7/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

09/21/1982

RPI 622

14.1

04/13/1982

RPI 599

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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