Patent US4018444A successfully refreshed from Google Patents.
US4018444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring whirling device
Assignee: Individual
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Filing: 1975-09-25
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Granted: 1977-04-19
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Expires: 1995-09-25
Abstract
Abstract A skill toy for persons of all ages having a handle loosely supporting two spaced rings retained on hubs about which they are skillfully caused to rotate in opposite directions for amusement and exercise.
Inventors
- 👤 Otto F. Chew, Jr.
- 👤 Louis W. Hinshaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:36
CPC Classifications
A; A63; A63H; A63H33/00; A63B; A63B67/00; A63B67/08; Y; Y10; Y10S; Y10S273/00; Y10S273/17; Y10S273/18; Y10S273/19
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
164 words
A toy requiring skill in its operation comprising a frame, said frame having a handle having a forward end, at least two hubs on said frame, a plurality of rings disposed one on each of said hubs and each ring loosely receiving its respective hub therethrough whereby said rings can define motions about their respective hubs as will appear to be generally clockwise and counter-clockwise selectively as said rings are each viewed from a side thereof, said frame having skirt means thereon disposed in positions for preventing said rings from moving sidewise of themselves excessively toward respective sides of said frame for restraining said rings from coming off of said frame by movements sidewise of said rings and toward the outer side of said frame, and in which said frame has a separator thereon which is disposed between said rings and is of a size for causing all parts of said rings to be spaced apart with respect to each other at all times.
Claim 2
Dependent Claim
164 words
A toy requiring skill in its operation comprising a frame, said frame having a handle having a forward end, at least two hubs on said frame, a plurality of rings disposed one on each of said hubs and each ring loosely receiving its respective hub therethrough whereby said rings can define motions about their respective hubs as will appear to be generally clockwise and counter-clockwise selectively as said rings are each viewed from a side thereof, said frame having skirt means thereon disposed in positions for preventing said rings from moving sidewise of themselves excessively toward respective sides of said frame for restraining said rings from coming off of said frame by movements sidewise of said rings and toward the outer side of said frame, and in which said frame has a separator thereon which is disposed between said rings and is of a size for causing all parts of said rings to be spaced apart with respect to each other at all times.
Claim 3
Dependent Claim
24 words
The toy of claim 1 in which said separator is circular in outline as seen in side elevation surrounding the majority of its exterior.
Claim 4
Dependent Claim
167 words
A toy requiring skill in its operation comprising a frame, said frame having a handle having a forward end, at least two hubs on said frame, a plurality of rings disposed one on each of said hubs and each ring loosely receiving its respective hub therethrough whereby said rings can define motions about their respective hubs as will appear to be generally clockwise and counter-clockwise selectively as said rings are each viewed from a side thereof, said frame having skirt means thereon disposed in positions for preventing said rings from moving sidewise of themselves excessively toward respective sides of said frame for restraining said rings from coming off of said frame by movements sidewise of said rings and toward the outer side of said frame, and in which said hubs are each substantially of cylindrical shape on their exterior, and the cylindrical configurations of the exterior of said hubs being disposed in alignment for defining a hub axis, said handle extending substantially directly rearwardly from said axis.
Claim 5
Dependent Claim
167 words
A toy requiring skill in its operation comprising a frame, said frame having a handle having a forward end, at least two hubs on said frame, a plurality of rings disposed one on each of said hubs and each ring loosely receiving its respective hub therethrough whereby said rings can define motions about their respective hubs as will appear to be generally clockwise and counter-clockwise selectively as said rings are each viewed from a side thereof, said frame having skirt means thereon disposed in positions for preventing said rings from moving sidewise of themselves excessively toward respective sides of said frame for restraining said rings from coming off of said frame by movements sidewise of said rings and toward the outer side of said frame, and in which said hubs are each substantially of cylindrical shape on their exterior, and the cylindrical configurations of the exterior of said hubs being disposed in alignment for defining a hub axis, said handle extending substantially directly rearwardly from said axis.
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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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |