BR8401504A - Transdutor acustico de alta frequencia - Google Patents

Transdutor acustico de alta frequencia

Info

Publication number
BR8401504A
BR8401504A BR8401504A BR8401504A BR8401504A BR 8401504 A BR8401504 A BR 8401504A BR 8401504 A BR8401504 A BR 8401504A BR 8401504 A BR8401504 A BR 8401504A BR 8401504 A BR8401504 A BR 8401504A
Authority
BR
Brazil
Prior art keywords
high frequency
acoustic transducer
frequency acoustic
transducer
frequency
Prior art date
Application number
BR8401504A
Other languages
English (en)
Inventor
Helio Taques Bittencourt
Original Assignee
S Eletro Acustica Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by S Eletro Acustica Sa filed Critical S Eletro Acustica Sa
Priority to BR8401504A priority Critical patent/BR8401504A/pt
Publication of BR8401504A publication Critical patent/BR8401504A/pt

Links

BR8401504A 1984-04-02 1984-04-02 Transdutor acustico de alta frequencia BR8401504A (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR8401504A BR8401504A (pt) 1984-04-02 1984-04-02 Transdutor acustico de alta frequencia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR8401504A BR8401504A (pt) 1984-04-02 1984-04-02 Transdutor acustico de alta frequencia

Publications (1)

Publication Number Publication Date
BR8401504A true BR8401504A (pt) 1985-11-05

Family

ID=4035366

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8401504A BR8401504A (pt) 1984-04-02 1984-04-02 Transdutor acustico de alta frequencia

Country Status (1)

Country Link
BR (1) BR8401504A (pt)

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Legal Events

Date Code Title Description
RL Court decision published

Free format text: 15A VARA/RJ PROC. NO 9900079043 MANDADO DE CITACAO AUTOR(A): LESON LABORATORIO DE ENGENHARIA SONICALTDA. REU: INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI CONCLUSAO: CONCEDIDA A ANTECIPACAO DA TUTELA PARA A EXTENSAO DO PRAZO DE VIGENCIA DA PATENTE PI 8401504-7, DE 02/04/84, PELA APLICACAO DOS ARTS. 33 E 70.2 DE "TRIPS", PARA 20 (VINTE) ANOS CONTADOS DA DATA DE DEPOSITO, ESTANDO A PATENTE SUB JUDICE.

B21A Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law

Free format text: PATENTE EXTINTA EM 02/04/2004

B19A Notification of judicial decision: notification of judicial decision

Free format text: INPI-52400.001196/99 ORIGEM: JUIZ FEDERAL DA 15O VARA DO RIO DE JANEIRO PROCESSO 9900079043 MANDADO DE CITACAO AUTOR: LESON LABORATORIO DE ENGENHARIA SONICA LTDA REU: INSTITUTO NACIONAL DA PROPRIEDADE INDUSTRIAL - INPI DECISAO: PRAZO DE VALIDADE DE PATENTES. APLICACAO DA LEGISLACAO NOVA, QUE ESTATUIU PRAZO DE 20 ANOS PARA PRIVILEGIO DE INVENCAO, AS PATENTES DEFERIDAS SOB A EGIDE DE LEGISLACAO ANTERIOR QUE PREVIA PRAZO DE 15 ANOS. IMPOSSIBILIDADE. ATO JURIDICO PERFEITO. EFEITO RETROATIVO IMPLICITO NAO ADMITIDO.