Official data from INPI

APARELHO PARA HIDROLIMPEZA DA SUPERFÍCIE EXTERIOR DE UMA TUBULAÇÃO OU SIMILAR E APARELHO PARA ESCAVAR E REMOVER TERRA RESIDUAL EM TORNO DE UMA TUBULAÇÀO NO LOCAL

Prazo de SigiloInvention Patent

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Application data

Number

PI8902361

Type

Invention Patent

Filing

05/22/1989

Publication

01/16/1990

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Progress at the INPI

Filing05/22/89
Publication01/16/90
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 05/22/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Canadian Ultra Pressure Services Inc

Inventors

C. R. (pessoa física)

G. C. (pessoa física)

Technical data

IPC Classification

C23G 3/04

Priority claims

197.142 · 05/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Arquivamento - Art. 33 da LPI

#11.1

02/24/1993

RPI 1160

14.1

08/25/1992

RPI 1134

Publicação do pedido de patente

#3.1

01/16/1990

RPI 1002

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