US4042791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereophonic head rest
Assignee: Individual
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Filing: 1975-02-27
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Granted: 1977-08-16
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Expires: 1995-02-27
Abstract
Abstract A stereophonic headrest adjustably communicates with a back rest of an automobile seat, comprises a central elongated rectangular shaped portion and a pair of side wing portions, wherein the side wing portions hingably communicate with the ends of the central portion. A speaker unit having a volume control knob is contained in each wing portion. The side wing portions can be angled at a plurality of different obtuse angles relative to the central portion allowing maximization of the stereophonic sounds as directed onto the ears of the user.
Inventors
- 👤 Murriel L. Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:49
CPC Classifications
H; H04; H04R; H04R5/00; H04R5/02; H04R5/023; B; B60; B60N; B60N2/00; B60N2/80; B60N2/806; B60N2/809; B60N2/812; B60N2/815; B60N2/818; B60N2/879; B60R; B60R11/00; B60R11/02; B60R11/0217; B60R2011/0001; B60R2011/0003; B60R2011/0012; B60R2011/0017; Y; Y10; Y10S; Y10S5/00; Y10S5/904
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
193 words
A stereophonic head rest adjustably supported on a back rest of an automobile seat, which comprises: a. a central back portion having a pair of distal ends and a front face; b. a pair of side wing portions having a front face and a top surface, said front face of each said side wing portion having a plurality of openings therethrough; c. a speaker unit affixed in each said side wing portion; d. one said side wing portion hingedly attached onto each said distal end of said central back portion, said front face of each said side wing portion intersecting said front face of said central back portion at an obtuse angle; and e. means for locking in position each said wing portion to said central back portion at prescribed obtuse angle, said means comprising pin members extending upwardly from said top surface of each said wing portion, a pair of elongated horizontal bar members having a plurality of evenly spaced holes therethrough adapted to receive said pin member, and means for rotatably attaching each said bar member onto said top surface of said central back portion at each said distal end thereof.
Claim 2
Dependent Claim
193 words
A stereophonic head rest adjustably supported on a back rest of an automobile seat, which comprises: a. a central back portion having a pair of distal ends and a front face; b. a pair of side wing portions having a front face and a top surface, said front face of each said side wing portion having a plurality of openings therethrough; c. a speaker unit affixed in each said side wing portion; d. one said side wing portion hingedly attached onto each said distal end of said central back portion, said front face of each said side wing portion intersecting said front face of said central back portion at an obtuse angle; and e. means for locking in position each said wing portion to said central back portion at prescribed obtuse angle, said means comprising pin members extending upwardly from said top surface of each said wing portion, a pair of elongated horizontal bar members having a plurality of evenly spaced holes therethrough adapted to receive said pin member, and means for rotatably attaching each said bar member onto said top surface of said central back portion at each said distal end thereof.
Claim 3
Dependent Claim
19 words
A headrest as recited in claim 1, wherein each said speaker unit includes a volume control knob associated therewith.
Claim 4
Dependent Claim
27 words
A head rest as recited in claim 1, wherein said central portion and said side wing portions have an formed interior and an exterior thermoplastic outer covering.
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) | 1980-08-15 | 1981-02-14 | 1981-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-15 | 1985-02-14 | 1985-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-15 | 1989-02-14 | 1989-08-16 | $7700.00 | Window Closed / Lapsed |