Patent US2241225A successfully refreshed from Google Patents.
US2791972A
Expired / Lapsed
US
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Vibrator excited loud speaker for toys
Assignee: AC Gilbert Co
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Filing: 1951-10-15
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Granted: 1957-05-14
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Expires: 1971-10-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:09
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/02; A63H19/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR820714A
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US2187064A
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US2305953A
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US2521240A
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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) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |