Patent US2980033A successfully refreshed from Google Patents.
Patent US4424599A successfully refreshed from Google Patents.
US4424599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cervical pillow
Assignee: Individual
•
Filing: 1980-09-18
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Granted: 1984-01-10
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Expires: 2000-09-18
Abstract
Abstract A cervical pillow having a shoulder engaging portion, an occiput engaging portion, and a neck engaging portion therebetween. The cervical pillow provides continuous support from the shoulder portion to the occiputal portion of the user.
Inventors
- 👤 Nabil Hannouche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:15
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/10; A47G9/1081; A47G2009/1018
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
147 words
A cervical pillow for use by an individual in a supine position upon a horizontal surface, comprising: a shoulder engaging portion for supporting the spine between shoulders and for preventing dislodgement of the pillow during sleep; a lobular neck engaging portion having a first radius of curvature extending across substantially the entire width of said pillow; and an occiput engaging portion being substantially planar and parallel to said horizontal surface, said occiput engaging portion being below said lobular neck engaging portion when said pillow rests upon a horizontal surface; said shoulder engaging portion, lobular neck engaging portion and occiput engaging portion being cooperatively responsive to the weight of a user to increase the radius of curvature of said lobular neck engaging portion to a second radius of curvature of about 17 centimeters, which is a desired radius of curvature for maintaining spinal adjustment in the neck area.
Claim 2
Dependent Claim
147 words
A cervical pillow for use by an individual in a supine position upon a horizontal surface, comprising: a shoulder engaging portion for supporting the spine between shoulders and for preventing dislodgement of the pillow during sleep; a lobular neck engaging portion having a first radius of curvature extending across substantially the entire width of said pillow; and an occiput engaging portion being substantially planar and parallel to said horizontal surface, said occiput engaging portion being below said lobular neck engaging portion when said pillow rests upon a horizontal surface; said shoulder engaging portion, lobular neck engaging portion and occiput engaging portion being cooperatively responsive to the weight of a user to increase the radius of curvature of said lobular neck engaging portion to a second radius of curvature of about 17 centimeters, which is a desired radius of curvature for maintaining spinal adjustment in the neck area.
Claim 3
Dependent Claim
27 words
The cervical pillow in accordance with claim 1 wherein said shoulder engaging portion is of generally uniform cross section across substantially the entire width of said pillow.
Claim 4
Dependent Claim
27 words
The cervical pillow in accordance with claim 1 wherein said occiput engaging portion has a substantially uniform cross section across substantially the entire width of said pillow.
Claim 5
Dependent Claim
24 words
The cervical pillow in accordance with claim 1 wherein said neck engaging portion tapers into said shoulder engaging portion and said head engaging portion.
Claim 6
Dependent Claim
22 words
The cervical pillow in accordance with claim 4 further comprising a concavity connecting said neck engaging portion with said shoulder engaging portion.
Claim 7
Dependent Claim
23 words
The cervical pillow in accordance with claim 4 further comprising a concavity between said lobular neck engaging portion and said occiput engaging portion.
Claim 8
Dependent Claim
43 words
A cervical pillow in accordance with claim 8 wherein said shoulder engaging portion tapers to provide both support for the shoulders and to fix the pillow position due to the entrapment of the shoulder engaging portion between the shoulders and the support surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-09 | 1987-07-11 | 1988-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-09 | 1991-07-11 | 1992-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-09 | 1995-07-11 | 1996-01-10 | $7700.00 | Window Closed / Lapsed |