Patent US4145778A successfully refreshed from Google Patents.
US4145778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double fitted sheet and method of making
Assignee: Individual
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Filing: 1977-08-04
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Granted: 1979-03-27
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Expires: 1997-08-04
Abstract
Abstract A double fitted sheet is disclosed in which a lower fitted sheet is formed to fit over the entire upper area of a mattress. An upper sheet, also formed to fit around the foot end of the mattress, is attached to the lower fitted sheet around the sides and foot portion. The head portion of the upper sheet is folded downwardly to facilitate ingress and egress between the upper and lower sheets.
Inventors
- 👤 Michele Ferrante
- 👤 Franca G. De Ferrante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:31
CPC Classifications
A; A47; A47G; A47G9/00; A47G9/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
109 words
A double fitted sheet comprising: (a) a lower fitted sheet having head and foot end portions to fit over the head and foot ends of a mattress; and, (b) an upper fitted sheet formed from a trapezoidal shaped blank wherein a head end portion is of greater width than a foot end portion, said foot end portion being configured to fit over said foot end of said mattress and said foot end portion of said lower fitted sheet, wherein said upper fitted sheet is sewn to said lower fitted sheet across said foot end portion and along substantially the entire length of both sides of said upper fitted sheet.
Claim 2
Dependent Claim
109 words
A double fitted sheet comprising: (a) a lower fitted sheet having head and foot end portions to fit over the head and foot ends of a mattress; and, (b) an upper fitted sheet formed from a trapezoidal shaped blank wherein a head end portion is of greater width than a foot end portion, said foot end portion being configured to fit over said foot end of said mattress and said foot end portion of said lower fitted sheet, wherein said upper fitted sheet is sewn to said lower fitted sheet across said foot end portion and along substantially the entire length of both sides of said upper fitted sheet.
Claim 3
Dependent Claim
34 words
The double fitted sheet of claim 1 further comprising elastic means attached to at least the end portions of said lower fitted sheet to retain the double fitted sheet in position on said mattress.
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) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |