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Official data from INPI

FILME DE CAMADA MÚLTOPLA E PROCESSO PARA A PRODUÇÃO DE UM FILME DE CAMADA MÚLTIPLA

ArquivadaInvention Patent

Application data

Number

PI8201504

Type

Invention Patent

Filing

03/18/1982

Publication

02/01/1983

Progress at the INPI

  1. Filing03/18/82
  2. Publication02/01/83
  3. Examination01/08/85
  4. Allowance08/26/86
  5. Abandoned
  6. In force

The application was allowed on 08/26/1986 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

D. M. (pessoa física)

GB

R. L. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8108702 · 03/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

06/23/1987

RPI 870

Republicação - classificação IPC

#15.11

03/24/1987

RPI 857

Notificação para pagamento de retribuição

#13.1

12/09/1986

RPI 842

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

09/10/1985

RPI 777

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

05/04/1982

RPI 602

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