Patent US3750838A successfully refreshed from Google Patents.
US3750838A
Expired / Lapsed
US
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Concrete resonant cone speaker system
Assignee: Individual
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Filing: 1971-11-29
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Granted: 1973-08-07
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Expires: 1991-11-29
Abstract
Abstract A speaker system for use in conjunction with a high fidelity system, the speaker system being placed within a room, and including a vertically upstanding truncated cone of hollow character and which tapers upwardly toward a top opening, the lower end of the concrete cone being mounted upon a wood base that supports a speaker, the wood base including a top ring, intermediate ring and flat bottom piece surrounding the speaker, the top ring, intermediate ring and bottom piece being spaced apart by means of the support separators.
Inventors
- 👤 J Pyle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:37
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/2811; H04R1/2815; H04R1/2819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
In a concrete resonant cone speaker system, the combination of a wood base for placement upon the floor of a room, and a vertically upstanding concrete truncated cone placed upon said wood base, said wood base containing a speaker in alignment with a lower end of said concrete truncated cone for moving sound waves upwardly through said concrete truncated cone so as to give a false depth to a room without an espensive reverberation unit and delay system, wherein said concrete truncated cone comprises a one piece member made of concrete drainage tile, said concrete truncated cone consisting of a conical side wall around a central opening extending there through, said concrete truncated cone supported upon said wood base being tapered upwardly toward a smaller end at its top, and wherein said wood base consists of a circular bottom piece, an intermediate ring in spaced relation above said bottom piece and a top ring in spaced relation above said intermediate ring, said rings and bottom piece having a plurality of support separators there between, and said speaker being secured to an under side of said top ring.
Claim 2
Dependent Claim
187 words
In a concrete resonant cone speaker system, the combination of a wood base for placement upon the floor of a room, and a vertically upstanding concrete truncated cone placed upon said wood base, said wood base containing a speaker in alignment with a lower end of said concrete truncated cone for moving sound waves upwardly through said concrete truncated cone so as to give a false depth to a room without an espensive reverberation unit and delay system, wherein said concrete truncated cone comprises a one piece member made of concrete drainage tile, said concrete truncated cone consisting of a conical side wall around a central opening extending there through, said concrete truncated cone supported upon said wood base being tapered upwardly toward a smaller end at its top, and wherein said wood base consists of a circular bottom piece, an intermediate ring in spaced relation above said bottom piece and a top ring in spaced relation above said intermediate ring, said rings and bottom piece having a plurality of support separators there between, and said speaker being secured to an under side of said top ring.
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |