US3122214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustical loud speakers
Assignee: STANDARD SYSTEMS CORP
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Filing: 1961-08-25
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Granted: 1964-02-25
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Expires: 1981-08-25
Abstract
No abstract record available.
Inventors
- 👤 Robbins Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:17
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/34; H04R1/345
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A LOUDSPEAKER COMPRISING A DIAPHRAGM MEMBER, ACTUATING MEANS THEREFOR, AND A FORWARD MOUNTING THEREFOR, SAID FORWARD MOUNTING COMPRISING A BAFFLE SECURED FORWARDLY OF SAID DIAPHRAGM MEMBER, A PANEL SECURED TO AND FORWARDLY OF SAID BAFFLE, SAID FORWARD PANEL HAVING A MAIN OPENING FOR DIRECTLY FORWARDLY RADIATING SOUND WAVES GENERATED BY SAID DIAPHRAGM MEMBER AND FURTHER HAVING A HORN-LIKE LATERAL OPENING FORMED THERETHROUGH COMMUNICATING WITH SAID MAIN OPENING, AND A FRONT PANEL MEMBER SECURED TO SAID FORWARD PANEL WHEREBY TO FORM, IN COOPERATION WITH SAID BAFFLE, AN INTERMEDIATE DUCT FROM SAID HORN-LIKE LATERAL OPENING, SAID DUCT HAVING A RESTRICTED THROAT WHICH IS DISPOSED AT AND IN COMMUNICATION WITH SAID MAIN OPENING AND AN ELONGATED MOUTH LATERALLY OF SAID THROAT FOR RADIATING AT LEAST SOME SOUND WAVES GENERATED BY SAID DIAPHRAGM MEMBER.
Claim 2
Dependent Claim
130 words
A LOUDSPEAKER COMPRISING A DIAPHRAGM MEMBER, ACTUATING MEANS THEREFOR, AND A FORWARD MOUNTING THEREFOR, SAID FORWARD MOUNTING COMPRISING A BAFFLE SECURED FORWARDLY OF SAID DIAPHRAGM MEMBER, A PANEL SECURED TO AND FORWARDLY OF SAID BAFFLE, SAID FORWARD PANEL HAVING A MAIN OPENING FOR DIRECTLY FORWARDLY RADIATING SOUND WAVES GENERATED BY SAID DIAPHRAGM MEMBER AND FURTHER HAVING A HORN-LIKE LATERAL OPENING FORMED THERETHROUGH COMMUNICATING WITH SAID MAIN OPENING, AND A FRONT PANEL MEMBER SECURED TO SAID FORWARD PANEL WHEREBY TO FORM, IN COOPERATION WITH SAID BAFFLE, AN INTERMEDIATE DUCT FROM SAID HORN-LIKE LATERAL OPENING, SAID DUCT HAVING A RESTRICTED THROAT WHICH IS DISPOSED AT AND IN COMMUNICATION WITH SAID MAIN OPENING AND AN ELONGATED MOUTH LATERALLY OF SAID THROAT FOR RADIATING AT LEAST SOME SOUND WAVES GENERATED BY SAID DIAPHRAGM MEMBER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |