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Official data from INPI

DISPOSITIVO DE BLOQUEIO INTRODUZIVEL EM UM CONDUTO TUBULAR

PublicadaInvention Patent

Application data

Number

PI8701418

Type

Invention Patent

Filing

03/29/1986

Publication

01/05/1988

Progress at the INPI

  1. Filing03/29/86
  2. Publication01/05/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/29/1986 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SIEMENS AG [DE]

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Inventors

L. E. (pessoa física)

S. H. (pessoa física)

S. E. (pessoa física)

V. B. (pessoa física)

W. R. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/05/1988

RPI 898

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Arquivamento - Art. 33 da LPI

#11.1

12/04/1990

RPI 1044

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