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Official data from INPI

Película de multiplas camadas e processo para sua formação.

ArquivadaInvention Patent

Application data

Number

PI8303141

Type

Invention Patent

Filing

06/14/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing06/14/83
  2. Publication04/17/84
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 06/14/1983 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

S. G. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

07/26/1983

RPI 666

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 1/08; B32B 31/30.

03/27/2018

RPI 2464

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