US4899405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Orthopedic pillow
Assignee: Foamex LP
•
Filing: 1989-03-31
•
Granted: 1990-02-13
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Expires: 2009-03-31
Abstract
Abstract An orthopedic pillow providing support for the head and neck of the user is disclosed. The neck is supported by either of two cylindrical neck bolsters. Either of two convoluted surfaces comprising matrices of pyramid shaped nodes are utilized to give support to and cushion the head.
Inventors
- 👤 Michael Rothbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:03
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/10; A47G9/1081
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
172 words
A reversible, generally rectangular orthopedic pillow for supporting a user's head and neck while a user is lying in a substantially horizontal position comprising: a member made of resilient material having two elongated cylindrical shaped bolsters of substantially the same size attached to opposite long ends of a generally horizontal rectangular resilient element that connects the bolsters to each other, having generally planar upper and lower surfaces, and a thickness smaller than the diameters of the bolsters, thereby defining an upper and lower cavity; two generally rectangular resilient cushions, each being substantially the same size as said planar surfaces, each consisting of a multitude of pyramid shaped nodes arranged in a matrix fashion on one side, each cushion being joined to a respective upper and lower surface of the resilient element, within the respective cavities so as to expose said pyramid shaped nodes, whereby a user can rest his or her head on either cushion while supporting his or her neck on either of said bolsters and yield maximum support and comfort.
Claim 2
Dependent Claim
172 words
A reversible, generally rectangular orthopedic pillow for supporting a user's head and neck while a user is lying in a substantially horizontal position comprising: a member made of resilient material having two elongated cylindrical shaped bolsters of substantially the same size attached to opposite long ends of a generally horizontal rectangular resilient element that connects the bolsters to each other, having generally planar upper and lower surfaces, and a thickness smaller than the diameters of the bolsters, thereby defining an upper and lower cavity; two generally rectangular resilient cushions, each being substantially the same size as said planar surfaces, each consisting of a multitude of pyramid shaped nodes arranged in a matrix fashion on one side, each cushion being joined to a respective upper and lower surface of the resilient element, within the respective cavities so as to expose said pyramid shaped nodes, whereby a user can rest his or her head on either cushion while supporting his or her neck on either of said bolsters and yield maximum support and comfort.
Claim 3
Dependent Claim
14 words
An orthopedic pillow according to claim 1, wherein said resilient material is polyurethane foam.
Claim 4
Dependent Claim
35 words
An orthopedic pillow according to claim 1, additionally comprising: a removable cover; and a fastener attached to the open end of said cover whereby said cover can be removed from said pillow or secured thereto.
Claim 5
Dependent Claim
37 words
An orthopedic pillow according to claim 1 further comprising rounded tops on each pyramid shaped node and wherein the nodes of one row of nodes are aligned with the depressions between the nodes of the adjacent row.
References Cited (Backward Citations)
US3400413A
Cited
US4218792A
Cited
US4320543A
Cited
US4424599A
Cited
US4432107A
Cited
US4494261A
Cited
US4550459A
Cited
US4777855A
Cited
US4759089A
Cited
US4768246A
Cited
US4756035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |