Patent US2757480A successfully refreshed from Google Patents.
US2757480A
Expired / Lapsed
US
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Beating heart toy
Assignee: Individual
•
Filing: 1951-07-09
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Granted: 1956-08-07
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Expires: 1971-07-09
Abstract
No abstract record available.
Inventors
- 👤 David R Uchill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:11
CPC Classifications
A; A63; A63H; A63H3/00; A63H3/28; A63H3/001
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US344922A
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US1272353A
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US1863438A
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US2501822A
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US2565603A
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US2564813A
Cited
US2669063A
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US2570740A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |