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Official data from INPI

DISPOSITIVO PROTETOR DE OUVIDOS.

Em AnáliseInvention Patent

Application data

Number

PI8306490

Type

Invention Patent

Filing

11/25/1983

Publication

06/25/1985

Progress at the INPI

  1. Filing11/25/83
  2. Publication06/25/85
  3. Examination08/11/87
  4. Allowance02/13/91
  5. Abandoned
  6. In force

The application was allowed on 02/13/1991 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

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Inventors

S. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

01/31/1984

RPI 693

Republicação - classificação IPC

#15.11

01/19/2010

RPI 2037

Arquivamento - Art. 38 §2° da LPI

#11.4

09/10/1991

RPI 1084

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Deferimento

#9.1

02/13/1991

RPI 1054

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