US3722151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Back and end walls for bathtub alcove
Assignee: Central Storage & Warehouse Co
•
Filing: 1971-03-08
•
Granted: 1973-03-27
•
Expires: 1991-03-08
Abstract
Abstract This invention relates to bathtubs, and particularly to finishing the installation of a tub in a rectangular alcove by means of a back and end walls quickly secured in position above the tub and having molded in designs for utility or appearance, and wherein the back and end walls are molded as a single relatively thin sheet, and after molding are adapted to be bent along vertical score lines to define the back and end walls and to allow for installation.
Inventors
- 👤 S Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:19
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/01; A; A47; A47K; A47K3/00; A47K3/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
103 words
Back and two end walls adapted to be positioned above a bathtub in an alcove and comprising a single sheet of vacuum molded thin plastic, vertical V-shaped score lines molded in the plastic between the back and end walls and on which the sheet is adapted to be bent to form an angle between the back and end walls, at least certain edges of the sheet being molded on the rear faces with shallow, flat, shouldered grooves, and fastener parts snapping in the grooves and adapted to mate with fastener parts on the back and end walls of the alcove above the bathtub.
Claim 2
Dependent Claim
103 words
Back and two end walls adapted to be positioned above a bathtub in an alcove and comprising a single sheet of vacuum molded thin plastic, vertical V-shaped score lines molded in the plastic between the back and end walls and on which the sheet is adapted to be bent to form an angle between the back and end walls, at least certain edges of the sheet being molded on the rear faces with shallow, flat, shouldered grooves, and fastener parts snapping in the grooves and adapted to mate with fastener parts on the back and end walls of the alcove above the bathtub.
Claim 3
Dependent Claim
111 words
A plastic sheet as defined in claim 1 wherein one of the walls of the plastic sheet is molded with an integral relatively deep seat having a bottom adapted to be substantially level with the top horizontal edge of the bathtub, the bottom being of a width and depth to form a seat area for the user of the bathtub, and integral, substantially vertical sides and a back wall extending from the bottom and of a width and height to receive the back, shoulders, and head of the user of the tub, said sides and back wall joining integrally with the wall of the sheet in which the seat is formed.
Claim 4
Dependent Claim
36 words
The combination defined in claim 2 in which the entire integral molded seat is reinforced with resin and fiberglass under the seat bottom, and at least on lower portions of the vertical sides and back wall.
Claim 5
Dependent Claim
39 words
The combination defined in claim 1 wherein the back and at least one end wall are molded wit shelves or bas-relief artistic designs to enhance the strength and flatness as well as the utility or appearance of the walls.
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |