Patent US4021870A successfully refreshed from Google Patents.
US4021870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bedding draw sheet
Assignee: HYGEIA PRODUCTS Inc
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Filing: 1976-01-23
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Granted: 1977-05-10
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Expires: 1996-01-23
Abstract
Abstract An improved bedding draw sheet comprised of a base sheet formed of a textile material, a panel formed of a textile material having water penetration-resistant characteristics bonded to the base sheet and a water-absorbent pad removably attached to the panel whereby the water-absorbent pad can be removed and laundered without the necessity of laundering the entire draw sheet.
Inventors
- 👤 Ronald D. Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:02
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/02; A47G9/0238; A61; A61F; A61F5/00; A61F5/48; A61F5/485; A61F13/00; A61F13/15; A61F13/53; A61F13/534; A61F13/56; A61F13/62; A61F13/622; A61F13/51; A61F13/514; A61F13/51401; A61F2013/51441; A61F2013/51443; A61F2013/53445; A61F2013/5661; A61F2013/5694
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
64 words
An improved draw sheet for bedding which comprises: a base sheet formed of textile material; a panel formed of a fine weave textile material having water penetration-resistant characteristics bonded to said base sheet by means of a polyethylene binder; a water-absorbent pad positioned adjacent to said panel; and means for removably attaching said water-absorbent pad connected to said water-resistant panel and to said pad.
Claim 2
Dependent Claim
64 words
An improved draw sheet for bedding which comprises: a base sheet formed of textile material; a panel formed of a fine weave textile material having water penetration-resistant characteristics bonded to said base sheet by means of a polyethylene binder; a water-absorbent pad positioned adjacent to said panel; and means for removably attaching said water-absorbent pad connected to said water-resistant panel and to said pad.
Claim 3
Dependent Claim
36 words
The draw sheet of claim 1 wherein said panel is formed of a cotton textile material having a thread count in the range of from about 264 threads per inch to about 280 threads per inch.
Claim 4
Dependent Claim
14 words
The draw sheet of claim 2 wherein said water-absorbent pad is formed of felt.
Claim 5
Dependent Claim
103 words
An improved draw sheet for bedding which comprises: a rectangular base sheet formed of textile material; a rectangular panel positioned adjacent to a central portion of said base sheet, said panel being formed of a fine weave textile material having water penetration-resistant characteristics; a thin layer of thermally-set polyethylene plastic interposed between said panel and said base sheet and binding said panel to said base sheet; a rectangular water-absorbent felt pad of a size corresponding to the size of said panel positioned adjacent thereto; and means for removably attaching said felt pad to said panel connected to said felt pad and said panel.
Claim 6
Dependent Claim
103 words
An improved draw sheet for bedding which comprises: a rectangular base sheet formed of textile material; a rectangular panel positioned adjacent to a central portion of said base sheet, said panel being formed of a fine weave textile material having water penetration-resistant characteristics; a thin layer of thermally-set polyethylene plastic interposed between said panel and said base sheet and binding said panel to said base sheet; a rectangular water-absorbent felt pad of a size corresponding to the size of said panel positioned adjacent thereto; and means for removably attaching said felt pad to said panel connected to said felt pad and said panel.
Claim 7
Dependent Claim
36 words
The draw sheet of claim 4 wherein said panel is formed of a cotton textile material having a thread count in a range of from about 264 threads per inch to about 280 threads per inch.
Claim 8
Dependent Claim
21 words
The draw sheet of claim 5 wherein said base sheet is formed of a 50% cotton - 50% polyester textile material.
Claim 9
Dependent Claim
37 words
The draw sheet of claim 5 wherein said base sheet is formed of a cotton textile material having a thread count in the range of from about 264 threads per inch to about 280 threads per inch.
References Cited (Backward Citations)
BE632965A
Cited
US1621149A
Cited
US2620494A
Cited
US2779035A
Cited
US2614273A
Cited
US3066321A
Cited
US3528421A
Cited
US3646624A
Cited
US3761973A
Cited
US3765040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |