Patent US5220700A successfully refreshed from Google Patents.
US5220700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective pillow
Assignee: Individual
•
Filing: 1992-07-08
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Granted: 1993-06-22
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Expires: 2012-07-08
Abstract
Abstract A protective pillow comprises two symmetrical side panels connected by a back panel which define a receiving space therein for the comfortable support of the head of a user. The back panel has an orthopedically engineered front surface which closely fits the back of the head. The side panels have bottom ends which terminate into hooks by which the pillow can be fastened or attached to the user's shoulders.
Inventors
- 👤 Ing-Nan Liu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:16
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/36; A47C7/38; A47C7/383; A47G; A47G9/00; A47G9/10; A47G9/1009; B; B60; B60N; B60N2/00; B60N2/80; B60N2/882
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
160 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely, said back panel also having a front face and a rear face and having a raised portion on said front face spaced above said bottom edge thereof between said side panels, a curved surface portion between said raised portion and said back panel top edge, said back panel rear face having an upper sloping portion curved rearwardly downwards and terminated into a ridge, and a lower sloping portion curved forwardly downwards and extended from said ridge to said back panel bottom edge.
Claim 2
Dependent Claim
160 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely, said back panel also having a front face and a rear face and having a raised portion on said front face spaced above said bottom edge thereof between said side panels, a curved surface portion between said raised portion and said back panel top edge, said back panel rear face having an upper sloping portion curved rearwardly downwards and terminated into a ridge, and a lower sloping portion curved forwardly downwards and extended from said ridge to said back panel bottom edge.
Claim 3
Dependent Claim
38 words
The protective pillow according to claim 1, wherein said curved surface portion between said raised portion and said top edge of said back panel has a curvature matching that of the back of the head of a user.
Claim 4
Dependent Claim
59 words
The protective pillow according to claim 1, wherein said side panels each has a width extending in the forward direction that is smaller than the distance from the back of the head of a user to the ear of the user such that the ears of the user are not covered when the pillow is put on the head.
Claim 5
Dependent Claim
28 words
The protective pillow according to claim 1, wherein said side panels each have a bottom end terminated into a hook for fastening to the shoulder of a user.
Claim 6
Dependent Claim
222 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge, a width extending in the forward direction that is smaller than the distance from the back of the head of a user to the ear of the user such that the ears of the user are not covered when the pillow is put on the head, and a bottom end terminated into a hook for fastening to the shoulder of a user; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely, said back panel also having a front face and a rear face and having a raised portion on said front face spaced above said bottom edge thereof between said side panels, a curved surface portion between said raised portion and said back panel top edge, said back panel rear face having an upper sloping portion curved rearwardly downwards and terminated into a ridge, and a lower sloping portion curved forwardly downwards and extended from said ridge to said back panel bottom edge.
Claim 7
Dependent Claim
222 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge, a width extending in the forward direction that is smaller than the distance from the back of the head of a user to the ear of the user such that the ears of the user are not covered when the pillow is put on the head, and a bottom end terminated into a hook for fastening to the shoulder of a user; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely, said back panel also having a front face and a rear face and having a raised portion on said front face spaced above said bottom edge thereof between said side panels, a curved surface portion between said raised portion and said back panel top edge, said back panel rear face having an upper sloping portion curved rearwardly downwards and terminated into a ridge, and a lower sloping portion curved forwardly downwards and extended from said ridge to said back panel bottom edge.
Claim 8
Dependent Claim
94 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge, and a bottom end terminated into a hook for fastening to the shoulder of a user; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely.
Claim 9
Dependent Claim
94 words
A protective pillow comprising two symmetrical elongate side panels, each side panel having a front edge and a rear edge, and a bottom end terminated into a hook for fastening to the shoulder of a user; and an elongate back panel having a top edge, a bottom edge, and two side edges, each said side panel rear edge integral with a corresponding back panel side edge, and said sides extending forwardly of said back panel, said side panels and said back panel defining a receiving space into which a user's head can fit closely.
Claim 10
Dependent Claim
59 words
A protective pillow according to claim 6 wherein each side panel further has a width extending in the forward direction that is smaller than the distance from the back of the head of a user to the ear of the user such that the ears of the user are not covered when the pillow is put on the head.
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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) | 1996-06-21 | 1996-12-21 | 1997-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-06-21 | 2000-12-21 | 2001-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-06-21 | 2004-12-21 | 2005-06-22 | $7700.00 | Window Closed / Lapsed |