Patent US3082572A successfully refreshed from Google Patents.
US3082572A
Expired / Lapsed
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Aerial toy
Assignee: Knox Instruments Inc
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Filing: 1961-10-05
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Granted: 1963-03-26
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Expires: 1981-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr William C Knox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:06
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN AERIAL TOY COMPRISING AN OUTER CIRCUMFERENTIAL RING AND A HUB LOCATED AT THE CENTER AXIS OF SAID RING, BLADES SECURED TO SAID HUB AND EXTENDING RADIALLY THEREFROM, SAID BLADES BEING SECURED AT THEIR OUTER ENDS TO SAID RING, SAID BLADES HAVING THE CONFIGURATION OF AIRFOILS WITH RESPECT TO FLOW DIRECTED GENERALLY PARALLEL TO A PLANE CONTAINING SAID RING, SAID AIRFOILS PRODUCING LIFT COMPONENTS DIRECTED IN APPROXIMATELY THE SAME DIRECTION, SAID DIRECTION BEING GENERALLY UPWARD AND PARALLEL TO THE CENTER AXIS OF SAID RING, SAID BLADES SLOPING INWARDLY FROM SAID RING MODERATELY DOWNWARD TO A LEVEL BELOW THAT OF THE RING.
Claim 2
Dependent Claim
101 words
AN AERIAL TOY COMPRISING AN OUTER CIRCUMFERENTIAL RING AND A HUB LOCATED AT THE CENTER AXIS OF SAID RING, BLADES SECURED TO SAID HUB AND EXTENDING RADIALLY THEREFROM, SAID BLADES BEING SECURED AT THEIR OUTER ENDS TO SAID RING, SAID BLADES HAVING THE CONFIGURATION OF AIRFOILS WITH RESPECT TO FLOW DIRECTED GENERALLY PARALLEL TO A PLANE CONTAINING SAID RING, SAID AIRFOILS PRODUCING LIFT COMPONENTS DIRECTED IN APPROXIMATELY THE SAME DIRECTION, SAID DIRECTION BEING GENERALLY UPWARD AND PARALLEL TO THE CENTER AXIS OF SAID RING, SAID BLADES SLOPING INWARDLY FROM SAID RING MODERATELY DOWNWARD TO A LEVEL BELOW THAT OF THE RING.
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |