Patent US4805603A successfully refreshed from Google Patents.
US4805603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable cervical traction pillow
Assignee: C AND K Inc
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Filing: 1988-07-13
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Granted: 1989-02-21
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Expires: 2008-07-13
Abstract
Abstract A cervical traction apparatus comprising a head/neck/shoulder support unit having a vertical slot in the region corresponding to the cervical area, said slot separating said unit into a first section and a second section, the upper surfaces of said support unit being shaped to receive the head, neck and shoulders of a reclining person, an inflatable air sac located within said unit between said first and second sections and means for inflating said air sac so as to cause said first and second sections to separate.
Inventors
- 👤 Keith Cumberland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:25
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/10; A47G9/1027; A61; A61F; A61F5/00; A61F5/01; A61F5/04; A61F5/05; A61F5/055; A61H; A61H1/00; A61H1/02; A61H1/0218; A47G2009/003; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1604; A61H2201/1607; A61H2201/1614; A61H2201/1616; Y; Y10; Y10S; Y10S128/00; Y10S128/20
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
86 words
A cervical traction apparatus comprising a head/neck/shoulder support unit having a vertical slot in the region corresponding to the cervical area, said slot separating said unit into a first section and a second section, the upper surfaces of said support unit being shaped to receive the head, neck and shoulders of a reclining person, an inflatable air sac located within said unit between said first and second sections and means for inflating said air sac so as to cause said first and second sections to separate.
Claim 2
Dependent Claim
86 words
A cervical traction apparatus comprising a head/neck/shoulder support unit having a vertical slot in the region corresponding to the cervical area, said slot separating said unit into a first section and a second section, the upper surfaces of said support unit being shaped to receive the head, neck and shoulders of a reclining person, an inflatable air sac located within said unit between said first and second sections and means for inflating said air sac so as to cause said first and second sections to separate.
Claim 3
Dependent Claim
32 words
A cervical traction apparatus according to claim 1 wherein said means for inflating said air sac comprises a conduit communicating with said air sac and an air pump connected to said conduit.
Claim 4
Dependent Claim
20 words
A cervical traction apparatus according to claim 2 wherein said conduit and said air pump extend exteriorly of said unit.
Claim 5
Dependent Claim
22 words
A cervical traction apparatus according to claim 3 wherein the air pump is a hand pump of the releasable check valve type.
Claim 6
Dependent Claim
28 words
A cervical traction apparatus according to claim 1 including a compartment within said support unit between said first and second sections in which an inflatable sac is disposed.
Claim 7
Dependent Claim
40 words
A cervical traction apparatus according to claim 5 wherein the said compartment comprises two halves, one half being located in said first section and the other half being located in said second section, said halves being separated by said slot.
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) | 1992-02-21 | 1992-08-22 | 1993-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-02-21 | 1996-08-22 | 1997-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-02-21 | 2000-08-22 | 2001-02-21 | $7700.00 | Window Closed / Lapsed |