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Official data from INPI

CHAVE REVERSÍVEL

PublicadaInvention Patent

Application data

Number

PI8901844

Type

Invention Patent

Filing

04/19/1989

Publication

11/28/1989

Progress at the INPI

Awaiting grant fee payment
  1. Filing04/19/89
  2. Publication11/28/89
  3. Examination08/14/90
  4. Allowance04/07/92
  5. Grant
  6. In force

The application was allowed by the INPI on 04/07/1992. The grant of the letters patent is being processed.

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Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

TW

Inventors

C. L. (pessoa física)

TW

Technical data

IPC Classification

Priority claims

US

184,104 · 04/20/1988

US

330.802 · 03/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/28/1989

RPI 997

Pedido de patente depositado

#2.1

05/30/1989

RPI 971

Retificação

#15.3

09/22/1992

RPI 1138

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

Deferimento

#9.1

04/07/1992

RPI 1114

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

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