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Official data from INPI

SORVETEIRA ELÉTRICA.

ConcedidaInvention Patent

Application data

Number

PI8103159

Type

Invention Patent

Filing

05/21/1981

Publication

-

Progress at the INPI

  1. Filing05/21/81
  2. Publication
  3. Examination11/27/84
  4. Allowance03/17/87
  5. Grant08/25/87
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Arno S/A

SP, BR

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Inventors

A. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

07/29/1986

RPI 823

Exigência - art. 36 da LPI

#6.1

10/22/1985

RPI 783

Solicitação de exame técnico

#4.1

11/27/1984

RPI 736

3.4

09/20/1983

RPI 674

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F25C 5/16.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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