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Official data from INPI

APARELHO PARA A CALCINAÇÃO DE LODO PROVENIENTE DO TRATAMENTO DE ÁGUAS SERVIDAS.

IndeferidaInvention Patent

Application data

Number

PI8201630

Type

Invention Patent

Filing

03/22/1982

Publication

11/01/1983

Progress at the INPI

Under appeal
  1. Filing03/22/82
  2. Publication11/01/83
  3. Examination06/18/85
  4. Refused07/14/87
  5. Grant
  6. In force

The application was refused by the INPI on 07/14/1987. The invention was never patented.

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Latest action published by the INPI: 07/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

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Inventors

D. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/14/1987

RPI 873

Conhecimento de parecer técnico

#7.1

08/26/1986

RPI 827

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Solicitação de exame não realizada

#4.2

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

11/01/1983

RPI 680

Pedido de patente depositado

#2.1

05/11/1982

RPI 603

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