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Official data from INPI

COMPOSIÇÃO ALCALINA AQUOSA REVELÁVEL, CURÁVEL POR UV, PROCESSO PARA FORMAR UMA MÁSCARA DE SOLDADOR, COMPOSIÇÃO DE MÁSCARA DE SOLDADOR, E MÁSCARA DE SOLDADOR CURADA

ArquivadaInvention Patent

Application data

Number

PI8904708

Type

Invention Patent

Filing

09/19/1989

Publication

05/01/1990

Progress at the INPI

  1. Filing09/19/89
  2. Publication05/01/90
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/19/1989 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1992. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M&T Chemicals Inc

US

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Inventors

K. T. (pessoa física)

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

247,052 · 09/20/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/15/1992

RPI 1150

14.4

11/26/1991

RPI 1095

14.1

11/19/1991

RPI 1094

Publicação do pedido de patente

#3.1

05/01/1990

RPI 1016

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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