Patent US4575884A successfully refreshed from Google Patents.
US4575884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeping bag sheet insert
Assignee: Individual
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Filing: 1984-07-30
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Granted: 1986-03-18
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Expires: 2004-07-30
Abstract
Abstract A sleeping bag sheet insert is provided for fitting within a sleeping bag and for preventing inside of the sleeping bag from becoming soiled. The inserts consists of an upper layer, a lower layer and an attached pillow case formed therein for removably retaining a pillow at the head portion of the insert to prevent the pillow from being uncovered during normal use.
Inventors
- 👤 Willis B. Jamerson
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:43
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/08; A47G9/086; A47G2009/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A sleeping bag sheet insert for fitting within a sleeping bag for preventing the inside of the sleeping bag from becoming soiled, said insert comprising: (a) a foam rubber sleeping pad with head and feet ends, and top and bottom surfaces; (b) an inflatable pillow insert placed on the head end of said sleeping pad; (c) an elongated sheet to cover said sleeping pad and said pillow insert, said sheet being open at the portions of the sides over said pillow insert and having opposite ends which extend over the head and feet ends of the pad to positions underlying and engaging end portions of the top and bottom surfaces; (d) means for securing said sheet to the underside of said sleeping pad; and (e) a hand pump connected to side of said inflatable pillow so that when said pillow is in position on said sleeping pad said hand pump can inflate said air chamber manually, wherein said means for securing said sheet to the bottom surface of said sleeping pad are a plurality of male snaps secured to said ends of said sheet and a plurality of female snaps secured to the bottom surface of said sleeping pad to mate with said make snaps when the ends of said sheet are pulled around the head and feet ends of said sleeping pad.
Claim 2
Dependent Claim
223 words
A sleeping bag sheet insert for fitting within a sleeping bag for preventing the inside of the sleeping bag from becoming soiled, said insert comprising: (a) a foam rubber sleeping pad with head and feet ends, and top and bottom surfaces; (b) an inflatable pillow insert placed on the head end of said sleeping pad; (c) an elongated sheet to cover said sleeping pad and said pillow insert, said sheet being open at the portions of the sides over said pillow insert and having opposite ends which extend over the head and feet ends of the pad to positions underlying and engaging end portions of the top and bottom surfaces; (d) means for securing said sheet to the underside of said sleeping pad; and (e) a hand pump connected to side of said inflatable pillow so that when said pillow is in position on said sleeping pad said hand pump can inflate said air chamber manually, wherein said means for securing said sheet to the bottom surface of said sleeping pad are a plurality of male snaps secured to said ends of said sheet and a plurality of female snaps secured to the bottom surface of said sleeping pad to mate with said make snaps when the ends of said sheet are pulled around the head and feet ends of said sleeping pad.
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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) | 1989-03-17 | 1989-09-16 | 1990-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-17 | 1993-09-16 | 1994-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-17 | 1997-09-16 | 1998-03-18 | $7700.00 | Window Closed / Lapsed |