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Official data from INPI

MÉTODO E APARELHO PARA DETECTAR ALTERAÕES NA REFLEXÃO ACÚSTICA CARACTERÍSTICA DE UMA SUPERFÍCIE A SER MONITORADA; E MÉTODO E APARELHO PARA DETECTAR A PRESENÇA OU A AUSÊNCIA DE GELO SOBRE UMA SUPERFÍCIE

PublicadaInvention Patent

Application data

Number

PI8806599

Type

Invention Patent

Filing

12/14/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/14/88
  2. Publication08/22/89
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/14/1988 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Simmonds Precision Products, Inc

US

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Inventors

F. L. (pessoa física)

R. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

133.411 · 12/15/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Arquivamento - Art. 33 da LPI

#11.1

11/26/1991

RPI 1095

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