US3855728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerodynamic toy
Assignee: Individual
•
Filing: 1974-01-10
•
Granted: 1974-12-24
•
Expires: 1994-01-10
Abstract
Abstract An aerodynamic toy comprising a pair of disks. A second disk is nested within a first disk so that such can be thrown together for separating in flight. After the disks separate, the inner or smaller disk follows the larger disk and both land in the same vicinity. The inner disk also moves more slowly than the larger disk making it possible for a single person to catch both of the disks.
Inventors
- 👤 W Hynds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:44
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/18
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
160 words
An aerodynamic toy comprising: a first disk having a circular substantially flat mAin body portion, said main body having an upper surface and a lower surface, a rim circumscribing said main body portion extending vertically downwardly therefrom; a second disk removably received within said first disk having a circular main body portion of a smaller diameter than said first disk, said main body of said second disk having an upper surface and a lower surface; a rim circumscribing said main body portion of said second disk and extending downwardly therefrom; a bottom edge of said rim of said second disk terminating on substantially the same horizontal plane as a bottom edge of said rim of said first disk when said second disk is nested within said first disk with an upper surface of said main body of said second disk flush against a lower surface of said first disk; whereby said disks can be thrown together for separating in flight.
Claim 2
Dependent Claim
160 words
An aerodynamic toy comprising: a first disk having a circular substantially flat mAin body portion, said main body having an upper surface and a lower surface, a rim circumscribing said main body portion extending vertically downwardly therefrom; a second disk removably received within said first disk having a circular main body portion of a smaller diameter than said first disk, said main body of said second disk having an upper surface and a lower surface; a rim circumscribing said main body portion of said second disk and extending downwardly therefrom; a bottom edge of said rim of said second disk terminating on substantially the same horizontal plane as a bottom edge of said rim of said first disk when said second disk is nested within said first disk with an upper surface of said main body of said second disk flush against a lower surface of said first disk; whereby said disks can be thrown together for separating in flight.
Claim 3
Dependent Claim
33 words
The toy as set forth in claim 1 wherein; said upper surface of said second disk has undulations therein for aiding in separation of said disks while in flight by air entering therebetween.
Claim 4
Dependent Claim
27 words
The toy as set forth in claim 1 wherein; the difference in diameter of said first disk and said second disk is less than about 1.5 inches.
Claim 5
Dependent Claim
25 words
The toy as set forth in claim 1 wherein said rim of said first disk extends downwardly at an angle 90* to said horizontal plane.
References Cited (Backward Citations)
US3359678A
Cited
US3724711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-23 | 1978-06-24 | 1978-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-23 | 1982-06-24 | 1982-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-23 | 1986-06-24 | 1986-12-24 | $7700.00 | Window Closed / Lapsed |