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Official data from INPI

PROCESSO E APARELHO PARA EXTRUSAO DE UM TUBO POSSUINDO UMA PASSAGEM LONGITUDINAL DESCENTRADA

ArquivadaInvention Patent

Application data

Number

PI8503879

Type

Invention Patent

Filing

12/04/1984

Publication

12/09/1986

Progress at the INPI

  1. Filing12/04/84
  2. Publication12/09/86
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/04/1984 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: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OTIS ENG CO [US]

Inventors

H. L. (pessoa física)

L. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/28/1989

RPI 962

Republicação - classificação IPC

#15.11

03/10/1987

RPI 855

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/15/1985

RPI 782

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