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Official data from INPI

PROCESSO PARA REMOCAO DE ESCAMAS DE PLACAS POROSAS DE DIFUSAO

ArquivadaInvention Patent
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Application data

Number

PI8105762

Type

Invention Patent

Filing

09/11/1980

Publication

05/25/1982
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Progress at the INPI

  1. Filing09/11/80
  2. Publication05/25/82
  3. Examination07/10/84
  4. Allowance04/16/85
  5. Abandoned
  6. In force

The application was allowed on 04/16/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STERLING DRUG INC

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Inventors

H. M. (pessoa física)

Technical data

IPC Classification

C23F 15/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Republicação - classificação IPC

#15.11

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

05/25/1982

RPI 605

Pedido de patente depositado

#2.1

10/20/1981

RPI 574

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