Patent US1379867A successfully refreshed from Google Patents.
Patent US3119611A successfully refreshed from Google Patents.
US3119611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy helicopter
Assignee: Individual
•
Filing: 1958-08-04
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Granted: 1964-01-28
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jack O Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:46
CPC Classifications
A; A63; A63H; A63H27/00; A63H27/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
111 words
IN A TOY ROUNDABOUT THE COMBINATION COMPRISING A PEDESTAL, AN ARM MEMBER ROTATABLY CONNECTED TO THE TOP OF SAID PEDESTAL AND EXTENDING RADIALLY THEREFROM, A MODEL CONNECTED TO THE RADIAL END PORTION OF SAID ARM, SAID MODEL HAVING A PAIR OF SPACED ROTOR MEMBERS POSITIONED THEREABOVE AND ROTATABLY SECURED THERETO, SAID ROTOR MEMBERS POSITIONED ON OPPOSITE LATERAL SIDES OF SAID ARM RADIAL END PORTION, MEANS TO ROTATE SAID ROTORS TO PROVIDE A LIFTING FORCE FOR SAID MODEL AND MEANS TO REGULATE THE LIFTING FORCE OF SAID ROTORS RELATIVE TO EACH OTHER TO PIVOT SAID MODEL ABOUT THE LONGITUDINAL AXIS OF SAID ARM MEMBER AND THEREBY ROTATE SAID MODEL ABOUT SAID PEDESTAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |