US4169516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speaker system
Assignee: Individual
•
Filing: 1977-04-25
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Granted: 1979-10-02
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Expires: 1997-04-25
Abstract
Abstract A speaker system comprises a cylindrical enclosure and at least one speaker attached to the cylindrical side wall of the enclosure. The speaker is attached to the side wall of the enclosure in such a state that the front thereof is supported at a position depressed from the side surface of the enclosure by a baffle plate or that it is inserted through an opening formed on the side wall and supported by a support member.
Inventors
- 👤 Ichiro Honda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:34
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/283; H04R1/2834; H04R1/02; H04R1/021; H04R1/2861; H04R1/2865; H04R1/30; H04R1/2815; H04R1/2819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A speaker system comprising: a cylindrical enclosure having a cylindrical side wall, said side wall being provided with at least one opening; at least one speaker; and means for supporting and attaching the speaker to the enclosure whereby the speaker is disposed in the enclosure through the opening and a front surface of the speaker faces outside, said supporting means comprising: a member for supporting the speaker whereby a front portion of the speaker projects from the side wall of the enclosure through the opening, said enclosure being formed of a cardboard wound spirally in a cylindrical shape to define a paper pipe, said paper pipe being coated by a paint layer over its surface both externally and internally.
Claim 2
Dependent Claim
119 words
A speaker system comprising: a cylindrical enclosure having a cylindrical side wall, said side wall being provided with at least one opening; at least one speaker; and means for supporting and attaching the speaker to the enclosure whereby the speaker is disposed in the enclosure through the opening and a front surface of the speaker faces outside, said supporting means comprising: a member for supporting the speaker whereby a front portion of the speaker projects from the side wall of the enclosure through the opening, said enclosure being formed of a cardboard wound spirally in a cylindrical shape to define a paper pipe, said paper pipe being coated by a paint layer over its surface both externally and internally.
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) | 1982-10-01 | 1983-04-02 | 1983-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-01 | 1987-04-02 | 1987-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-01 | 1991-04-02 | 1991-10-02 | $7700.00 | Window Closed / Lapsed |