US4191437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerator storage system
Assignee: Individual
•
Filing: 1978-05-30
•
Granted: 1980-03-04
•
Expires: 1998-05-30
Abstract
Abstract A refrigerator storage system characterized by circular tracks located on shelving throughout the refrigerator for receiving rotatable shelves for the selective storage of food products. The arrangement affords versatility in food storage and the selection and withdrawal of the food items in a convenient manner.
Inventors
- 👤 Ludwig F. Funke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:51
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/02; F25D25/027; A; A47; A47B; A47B49/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
146 words
A rearrangeable storage system for a refrigerator having a plurality of storage shelves comprising at least one removable and rotatable shelf adapted to travel a 360° path within the confines of a supporting storage shelf, load supporting means arranged on the undersurface of said rotatable shelf outwardly of the rotational axis thereof, tracks disposed on said storage shelves for rolling engagement by said mounting means to achieve various storage arrangements with the relocation of said rotatable shelf, and means maintaining said rotatable shelf at a preselected position on said storage shelves, where unobstructed space is provided between said rotatable shelf and the next adjacent upper storage shelf, where portions of said storage shelves remain usable when said rotatable shelf is at said preselected position on said storage shelves, and where the full areas of said storage shelves remain usable after any relocation of said rotatable shelf.
Claim 2
Dependent Claim
146 words
A rearrangeable storage system for a refrigerator having a plurality of storage shelves comprising at least one removable and rotatable shelf adapted to travel a 360° path within the confines of a supporting storage shelf, load supporting means arranged on the undersurface of said rotatable shelf outwardly of the rotational axis thereof, tracks disposed on said storage shelves for rolling engagement by said mounting means to achieve various storage arrangements with the relocation of said rotatable shelf, and means maintaining said rotatable shelf at a preselected position on said storage shelves, where unobstructed space is provided between said rotatable shelf and the next adjacent upper storage shelf, where portions of said storage shelves remain usable when said rotatable shelf is at said preselected position on said storage shelves, and where the full areas of said storage shelves remain usable after any relocation of said rotatable shelf.
Claim 3
Dependent Claim
13 words
The storage system of claim 1 where said load supporting means includes wheels.
Claim 4
Dependent Claim
13 words
The storage system of claim 1 where said load supporting means includes balls.
Claim 5
Dependent Claim
13 words
The storage system of claim 1 where said load supporting means includes rollers.
Claim 6
Dependent Claim
35 words
The storage system of claim 1 where said maintaining means is a pivot member extending downwardly from the undersurface of said rotatable shelf, and where openings in said storage shelves selectively receive said pivot member.
Claim 7
Dependent Claim
27 words
The storage system of claim 5 where said pivot member receiving opening is in a solid shelf serving as the top of an existing food storage compartment.
Claim 8
Dependent Claim
16 words
The storage system of claim 1 where said tracks are recessed to define said maintaining means.
Claim 9
Dependent Claim
15 words
The storage system of claim 1 where said tracks define channels representing said maintaining means.
References Cited (Backward Citations)
US836947A
Cited
US1754094A
Cited
US1687149A
Cited
US1899372A
Cited
US1941906A
Cited
US2638400A
Cited
US2945597A
Cited
US3063714A
Cited
US3104139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-03-04 | 1983-09-03 | 1984-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-04 | 1987-09-03 | 1988-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-04 | 1991-09-03 | 1992-03-04 | $7700.00 | Window Closed / Lapsed |