Official data from INPI

PROCESSO PARA A PREPARACAO DE UM MATERIAL ALIGEIRADO E PRINCIPALMENTE ARGAMASSA E CONCRETO ALIGEIRADO E MATERIAL ASSIM OBTIDO

ConcedidaInvention Patent

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Application data

Number

PI7708259

Type

Invention Patent

Filing

12/14/1976

Publication

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Progress at the INPI

Filing12/14/76
Publication
Examination
Allowance08/09/83
Grant02/28/84
Terminated10/23/90

The patent was granted on 02/28/1984 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: 02/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. C. (pessoa física)

Inventors

L. C. (pessoa física)

Technical data

IPC Classification

C04B 31/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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