Official data from INPI

APERFEICOAMENTO EM E REFERENTE A REPETIDORES PASSIVOS

Arquivada/ExtintaUtility Model

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Application data

Number

MU5700053

Type

Utility Model

Filing

01/19/1977

Publication

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Progress at the INPI

Filing01/19/77
Publication
Examination
Allowance03/30/82
Grant11/30/82
Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HARALD LTD IND COM

Inventors

A. P. (pessoa física)

Technical data

IPC Classification

H01Q 1/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

20.4

01/02/1985

RPI 741

Concessão da patente

#16.1

11/30/1982

RPI 632

Deferimento

#9.1

03/30/1982

RPI 597

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