Official data from INPI

SEM TITULO

ConcedidaInvention Patent

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Application data

Number

PI7807279

Type

Invention Patent

Filing

11/06/1978

Publication

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Progress at the INPI

Filing11/06/78
Publication
Examination
Allowance07/13/82
Grant01/25/83
Terminated05/04/93

The patent was granted on 01/25/1983 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: 01/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ata Combustão Técnica S/A

RJ, BR

Inventors

A. T. (pessoa física)

Technical data

IPC Classification

F23K 3/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

11/30/1982

RPI 632

Deferimento

#9.1

07/13/1982

RPI 612

Exigência - art. 36 da LPI

#6.1

11/24/1981

RPI 579

Anuidade - prazo legal encerrado

#18.2

05/04/1993

RPI 1170

From the same holder

PROGRAMADOR ELETRÔNICO PROGRAMADOR ELETRÔNICO CONTROLADOR DE NÍVEL

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