Patent US3241631A successfully refreshed from Google Patents.
US3241631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-fidelity column-type stereomonophonic diffuser with regulated sound deflection
Assignee: Individual
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Filing: 1964-12-08
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Granted: 1966-03-22
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Manieri Domenico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A HIGH-FIDELITY STEREO-MONOPHONIC SOUND DIFFUSER COMPRISING A CABINET HAVING OPENINGS IN ITS FRONT AND ON EACH SIDE, A LOUDSPEAKER ATTACHED AT EACH OPENING, SAID LOUDSPEAKERS POSITIONED IN COLUMNAR ALIGNMENT IN THE FRONT AND AT EACH SIDE, A RIGHT-HAND CHANNEL ELECTRICALLY CONNECTED TO SAID SAID CABINET AND AT ALTERNATE OPENINGS IN THE FRONT OF SAID CABINET, A LEFT-HAND CHANNEL ELECTRICALLY CONNECTED TO SAID LOUDSPEAKERS POSITIONED AT OPENINGS ON THE OPPOSITE SIDE OF SAID CABINET AND AT REMAINING ALTERNATE OPENINGS IN THE FRONT OF SAID CABINET, AND ACOUSTIC PRESSURE BETWEEN LOUDSPEAKERS AT OPENINGS ON THE SIDES OF SAID CABINET IN COMPARISON TO LOUDSPEAKERS AT OPENINGS AT THE FRONT OF SAID CABINET REGULATED SO AS TO MAINTAIN A GREATER ACOUSTIC PRESSURE FROM SAID LOUDSPEAKERS AT THE OPENINGS IN THE SIDES OF SAID CABINET WHEREBY SAID LOUDSPEAKERS AT THE FRONT OPENINGS ARE MONOPHONIC ELEMENTS AND THE STEREOPHONIC EFFECTS ARE THE RESULTANT OF THE ACOUSTIC PRESSURES FROM SAID LOUDSPEAKERS AT THE SIDE OPENINGS RELATIVE TO THE ACOUSTIC PRESSURES OF SAID LOUDSPEAKERS AT THE FRONT OPENINGS.
Claim 2
Dependent Claim
170 words
A HIGH-FIDELITY STEREO-MONOPHONIC SOUND DIFFUSER COMPRISING A CABINET HAVING OPENINGS IN ITS FRONT AND ON EACH SIDE, A LOUDSPEAKER ATTACHED AT EACH OPENING, SAID LOUDSPEAKERS POSITIONED IN COLUMNAR ALIGNMENT IN THE FRONT AND AT EACH SIDE, A RIGHT-HAND CHANNEL ELECTRICALLY CONNECTED TO SAID SAID CABINET AND AT ALTERNATE OPENINGS IN THE FRONT OF SAID CABINET, A LEFT-HAND CHANNEL ELECTRICALLY CONNECTED TO SAID LOUDSPEAKERS POSITIONED AT OPENINGS ON THE OPPOSITE SIDE OF SAID CABINET AND AT REMAINING ALTERNATE OPENINGS IN THE FRONT OF SAID CABINET, AND ACOUSTIC PRESSURE BETWEEN LOUDSPEAKERS AT OPENINGS ON THE SIDES OF SAID CABINET IN COMPARISON TO LOUDSPEAKERS AT OPENINGS AT THE FRONT OF SAID CABINET REGULATED SO AS TO MAINTAIN A GREATER ACOUSTIC PRESSURE FROM SAID LOUDSPEAKERS AT THE OPENINGS IN THE SIDES OF SAID CABINET WHEREBY SAID LOUDSPEAKERS AT THE FRONT OPENINGS ARE MONOPHONIC ELEMENTS AND THE STEREOPHONIC EFFECTS ARE THE RESULTANT OF THE ACOUSTIC PRESSURES FROM SAID LOUDSPEAKERS AT THE SIDE OPENINGS RELATIVE TO THE ACOUSTIC PRESSURES OF SAID LOUDSPEAKERS AT THE FRONT OPENINGS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |