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Official data from INPI

FILME COMPOSTO TUBULAR DE MULTIPLAS CAMADAS E METODO DE FABRICACAO

Em AnáliseInvention Patent

Application data

Number

PI8606085

Type

Invention Patent

Filing

11/26/1986

Publication

06/28/1988

Progress at the INPI

  1. Filing11/26/86
  2. Publication06/28/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

G. E. (pessoa física)

L. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

09/19/1989

RPI 987

Publicação do pedido de patente

#3.1

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

04/22/1987

RPI 861

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B32B 27/08; B32B 1/08; B32B 1/10; B32B 27/30; B32B 27/32.

03/27/2018

RPI 2464

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