Patent US3228143A successfully refreshed from Google Patents.
US3228143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walking mechanism for a doll
Assignee: Individual
•
Filing: 1961-06-27
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Granted: 1966-01-11
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Expires: 1981-06-27
Abstract
No abstract record available.
Inventors
- 👤 Kaplan Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:18
CPC Classifications
A; A63; A63H; A63H7/00; A63H3/00; A63H3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A WALKING MECHANISM FOR A DOLL, OR THE LIKE, HAVING A HOLLOW TORSO PORTION, SAID TORSO PORTION HAVING OPENINGS FORMED THEREIN IN OPPOSED SIDES THEREOF FOR ROTATABLY SUPPORTING A PAIR OF LEGS, SAID TORSO HAVING A CROTCH PORTION SPACING SAID OPENINGS, AND A LEG ROTATABLY SUPPORTED BY ONE END THEREON IN EACH OF SAID OPENINGS, EACH OF SAID LEGS HAVING AN END PORTION PROJECTING INTO SAID TORSO, COMPRISING A PAIR OF PINIONS EACH HAVING A SHAFT AXIALLY EXTENDING THEREFROM ON AT LEAST ONE END THEREOF, MEANS WITHIN SAID TORSO ROTATABLY SUPPORTING SAID PINIONS IN OVERLAPPING MESHED RELATION WITH ONE ANOTHER WITH THEIR SAID SHAFTS EACH DISPOSED IN A PLANE SUBSTANTIALLY TRANSVERSE OF THE LONGITUDINAL AXIS OF THE TORSO AND WITH THEIR SAID SHAFT EXTENSIONS OPPOSITELY DIRECTED, AND EACH DISPOSED OPPOSITE ONE OF SAID LEG-SUPPORTING OPENINGS, A ROD SECURED INTERMEDIATE ITS ENDS OF EACH OF SAID SHAFT EXTENSIONS IN SUBSTANTIALLY TRANSVERSE RELATION TO SAID SHAFT, AND SPACED ELEMENTS ON THE PROJECTING PORTION OF EACH OF SAID LEG ENDS ENGAGING THE ENDS OF SAID RODS.
Claim 2
Dependent Claim
173 words
A WALKING MECHANISM FOR A DOLL, OR THE LIKE, HAVING A HOLLOW TORSO PORTION, SAID TORSO PORTION HAVING OPENINGS FORMED THEREIN IN OPPOSED SIDES THEREOF FOR ROTATABLY SUPPORTING A PAIR OF LEGS, SAID TORSO HAVING A CROTCH PORTION SPACING SAID OPENINGS, AND A LEG ROTATABLY SUPPORTED BY ONE END THEREON IN EACH OF SAID OPENINGS, EACH OF SAID LEGS HAVING AN END PORTION PROJECTING INTO SAID TORSO, COMPRISING A PAIR OF PINIONS EACH HAVING A SHAFT AXIALLY EXTENDING THEREFROM ON AT LEAST ONE END THEREOF, MEANS WITHIN SAID TORSO ROTATABLY SUPPORTING SAID PINIONS IN OVERLAPPING MESHED RELATION WITH ONE ANOTHER WITH THEIR SAID SHAFTS EACH DISPOSED IN A PLANE SUBSTANTIALLY TRANSVERSE OF THE LONGITUDINAL AXIS OF THE TORSO AND WITH THEIR SAID SHAFT EXTENSIONS OPPOSITELY DIRECTED, AND EACH DISPOSED OPPOSITE ONE OF SAID LEG-SUPPORTING OPENINGS, A ROD SECURED INTERMEDIATE ITS ENDS OF EACH OF SAID SHAFT EXTENSIONS IN SUBSTANTIALLY TRANSVERSE RELATION TO SAID SHAFT, AND SPACED ELEMENTS ON THE PROJECTING PORTION OF EACH OF SAID LEG ENDS ENGAGING THE ENDS OF SAID RODS.
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |