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Official data from INPI

PROCESSO DE TRATAMENTO DE VINHOTO NAS USINAS DE ÁLCOOL.

IndeferidaInvention Patent
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Application data

Number

PI8104056

Type

Invention Patent

Filing

06/25/1981

Publication

02/01/1983
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Progress at the INPI

Under appeal
  1. Filing06/25/81
  2. Publication02/01/83
  3. Examination02/21/84
  4. Refused06/17/86
  5. Grant
  6. In force

The application was refused by the INPI on 06/17/1986. The invention was never patented.

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Latest action published by the INPI: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. G. (pessoa física)

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Inventors

G. [. (pessoa física)

Technical data

IPC Classification

C05F 5/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/17/1986

RPI 817

Conhecimento de parecer técnico

#7.1

07/30/1985

RPI 771

Pedido de certificado de adição de invenção

#5.1

07/10/1984

RPI 716

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Republicação - classificação IPC

#15.11

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

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