Patent US3638255A successfully refreshed from Google Patents.
US3638255A
Expired / Lapsed
US
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Seat cushion or pillow
Assignee: Individual
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Filing: 1969-10-02
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Granted: 1972-02-01
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Expires: 1989-10-02
Abstract
Abstract A seat cushion or pillow including an outer porous covering containing a mass of cushioning material, and with the pillow or cushion being formed at least partially of, or carrying, an odor adsorbent substance, preferably activated charcoal.
Inventors
- 👤 Eugene L Sterrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/021; A47C27/00; A47C27/14; A47C27/15; A47G; A47G9/00; A47G9/007
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
60 words
A pillow including a mass of cushioning material and a porous covering extending about said cushioning material and through which gases may flow to the interior of the covering, said pillow being formed at least partially of, or carrying, an odor adsorbent substance positioned to contact and remove odors from said gases which pass through said covering to its interior.
Claim 2
Dependent Claim
60 words
A pillow including a mass of cushioning material and a porous covering extending about said cushioning material and through which gases may flow to the interior of the covering, said pillow being formed at least partially of, or carrying, an odor adsorbent substance positioned to contact and remove odors from said gases which pass through said covering to its interior.
Claim 3
Dependent Claim
28 words
A pillow as recited in claim 1, in which said adsorbent substance is selected from the group consisting of activated carbon, silica gel, alumina and the molecular sieves.
Claim 4
Dependent Claim
15 words
A pillow as recited in claim 1, in which said adsorbent substances is activated charcoal.
Claim 5
Dependent Claim
19 words
A pillow as recited in claim 1, in which said adsorbent substance is activated charcoal made from coconut shells.
Claim 6
Dependent Claim
20 words
A pillow as recited in claim 1, in which said adsorbent substance is contained within said mass of cushioning material.
Claim 7
Dependent Claim
18 words
A pillow as recited in claim 1, in which said adsorbent substance forms a part of said covering.
Claim 8
Dependent Claim
28 words
A pillow as recited in claim 1, in which said cushioning material is formed of a mass of unwoven randomly arranged fibers having said adsorbent substance distributed therein.
Claim 9
Dependent Claim
42 words
A pillow as recited in claim 1, in which said cushioning material is formed of a mass of unwoven randomly arranged fibers bonded together as a mat and having particles of said adsorbent substance distributed within the cushioning material between the fibers.
Claim 10
Dependent Claim
35 words
A pillow as recited in claim 1, in which said cushioning material is formed of a mass of unwoven randomly arranged fibers some of which fibers are formed at least partially of said adsorbent substance.
Claim 11
Dependent Claim
71 words
A pillow as recited in claim 1, in which said covering is a woven fabric, said cushioning material including a plurality of layers of unwoven randomly arranged resinous plastic fibers bonded in mat form with open spaces between the fibers, said adsorbent substances including activated charcoal particles distributed within the outer layers of said cushioning material and retained by said fibers at essentially fixed locations within said spaces between the fibers.
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) | 1975-01-31 | 1975-08-02 | 1976-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-31 | 1979-08-02 | 1980-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-31 | 1983-08-02 | 1984-02-01 | $7700.00 | Window Closed / Lapsed |