Patent US3652764A successfully refreshed from Google Patents.
US3220142A
Expired / Lapsed
US
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Aerial toy
Assignee: Individual
•
Filing: 1964-09-04
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Granted: 1965-11-30
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Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Butterfield Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:16
CPC Classifications
A; A63; A63B; A63B65/00; A63B65/08; A63H; A63H33/00; A63H33/18; A63B2208/00; A63B2208/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN AERIAL PROJECTILE CONSISTING OF AN ANNULAR BAND DEFINING A RING-SHAPED HUB, SAID BAND BEING WIDE IN A DIRECTION PARALLEL TO THE CENTRAL AXIS OF THE HUB, A PLURALITY OF BLADES FIXED TO AND DISPOSED EXTERNALLY OF SAID HUB, SAID BLADES HAVING A LENGTH SUBSTANTIALLY GREATER THAN THEIR WIDTH, THE MAJOR AXES OF SAID BLADES EXTENDING IN A DIRECTION CIRCUMFERENTIALLY OF THE HUB AND SAID BLADES BEING PITCHED IN THE SAME DIRECTION, SAID HUB HAVING A TOP EDGE AND A BOTTOM EDGE, EACH BLADE HAVING AN UPPER END DISPOSED AT APPROPXIMATELY THE LEVEL OF THE UPPER EDGE OF THE HUB AND A LOWER END DISPOSED AT APPROXIMATELY THE LEVEL OF THE BOTTOM EDGE OF THE HUB, AND ALL OF SAID ENDS OF THE BLADES BEING DISPOSED IN PARTIALLY OVERLAPPING RELATION TO ONE ANOTHER, SAID HUB HAVING AN INTERNAL DIAMETER SUBSTANTIALLY GREATER THAN THE WIDTH OF THE BLADES.
Claim 2
Dependent Claim
147 words
AN AERIAL PROJECTILE CONSISTING OF AN ANNULAR BAND DEFINING A RING-SHAPED HUB, SAID BAND BEING WIDE IN A DIRECTION PARALLEL TO THE CENTRAL AXIS OF THE HUB, A PLURALITY OF BLADES FIXED TO AND DISPOSED EXTERNALLY OF SAID HUB, SAID BLADES HAVING A LENGTH SUBSTANTIALLY GREATER THAN THEIR WIDTH, THE MAJOR AXES OF SAID BLADES EXTENDING IN A DIRECTION CIRCUMFERENTIALLY OF THE HUB AND SAID BLADES BEING PITCHED IN THE SAME DIRECTION, SAID HUB HAVING A TOP EDGE AND A BOTTOM EDGE, EACH BLADE HAVING AN UPPER END DISPOSED AT APPROPXIMATELY THE LEVEL OF THE UPPER EDGE OF THE HUB AND A LOWER END DISPOSED AT APPROXIMATELY THE LEVEL OF THE BOTTOM EDGE OF THE HUB, AND ALL OF SAID ENDS OF THE BLADES BEING DISPOSED IN PARTIALLY OVERLAPPING RELATION TO ONE ANOTHER, SAID HUB HAVING AN INTERNAL DIAMETER SUBSTANTIALLY GREATER THAN THE WIDTH OF THE BLADES.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |