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Official data from INPI

Conjunto de folha de metal ferroso aluminizado, e corpo de folha ferroso aluminizado.

PublicadaInvention Patent

Application data

Number

PI8801504

Type

Invention Patent

Filing

03/30/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing03/30/88
  2. Publication12/27/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/30/1988 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

R. C. (pessoa física)

Technical data

Priority claims

US

068.949 · 06/19/1987

US

102.008 · 09/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

07/26/1988

RPI 927

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 53/36.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

10/08/1991

RPI 1088

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