US4535496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water bed bar
Assignee: Individual
•
Filing: 1983-11-08
•
Granted: 1985-08-20
•
Expires: 2003-11-08
Abstract
Abstract A water bed apparatus (10) comprising an elongated cylindrical unit (11) having a support surface (12) and a contact surface (14) formed on opposite ends, wherein the apparatus is designed to assist a user in placing a bed sheet (23) around and under the bladder (25) of a water bed (20).
Inventors
- 👤 Dennis D. Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:42
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/085; A47C21/00; A47C21/02; A47C21/028; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53943
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
110 words
An apparatus in combination with a water bed comprising; a bed frame; a bed liner, a bedsheet, and a water bladder having a filling closure whereby the apparatus is employed to facilitate the insertion of the bedsheet between the water bladder and the bed liner, and wherein the apparatus comprises; an elongated cylindrical unit, a contact surface element provided on one end of the cylindrical unit, and adapted to contact the bedsheet, and a support surface element provided on the other end of the elongated cylindrical unit, and adapted to contact the bed liner inside the bed frame, to maintain the said contact surface in contact with the bed sheet.
Claim 2
Independent Claim
110 words
An apparatus in combination with a water bed comprising; a bed frame; a bed liner, a bedsheet, and a water bladder having a filling closure whereby the apparatus is employed to facilitate the insertion of the bedsheet between the water bladder and the bed liner, and wherein the apparatus comprises; an elongated cylindrical unit, a contact surface element provided on one end of the cylindrical unit, and adapted to contact the bedsheet, and a support surface element provided on the other end of the elongated cylindrical unit, and adapted to contact the bed liner inside the bed frame, to maintain the said contact surface in contact with the bed sheet.
Claim 3
Dependent Claim
21 words
An apparatus as in claim 1; wherein the elongated cylindrical unit is solid and fabricated from a single piece of material.
Claim 4
Dependent Claim
20 words
An apparatus as in claim 1; wherein the elongated cylindrical unit is fabricated from a length of hollow tubular material.
Claim 5
Dependent Claim
25 words
An apparatus as in claim 1; wherein, the contact surface element comprises a separate cap member secured to one end of the said cylindrical unit.
Claim 6
Dependent Claim
26 words
An apparatus as in claim 4; wherein, the support surface element comprises a separate base member secured to the other end of the said cylindrical element.
Claim 7
Dependent Claim
23 words
An apparatus as in claim 5; wherein, the elongated cylindrical unit is hollow and forms a receptacle adapted to contain a water conditioner.
Claim 8
Dependent Claim
17 words
An apparatus as in claim 6; wherein the cap member is removeably secured to the cylindrical unit.
Claim 9
Dependent Claim
17 words
An apparatus as in claim 6; wherein the base member is removeably secured to the cylindrical unit.
Claim 10
Dependent Claim
16 words
An apparatus as in claim 5; wherein, the base member is provided with an enlarged flange.
Claim 11
Dependent Claim
17 words
An apparatus as in claim 1; wherein the minimum length of the cylindrical unit is six inches.
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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) | 1988-08-19 | 1989-02-18 | 1989-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-19 | 1993-02-18 | 1993-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-19 | 1997-02-18 | 1997-08-20 | $7700.00 | Window Closed / Lapsed |