Patent US3010249A successfully refreshed from Google Patents.
US3010249A
Expired / Lapsed
US
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Whirling toy
Assignee: Individual
•
Filing: 1958-12-04
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Granted: 1961-11-28
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Expires: 1978-12-04
Abstract
No abstract record available.
Inventors
- 👤 Walter M Sirks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:35
CPC Classifications
A; A63; A63F; A63F7/00; A63F7/22; A63F7/36; A63F7/38; A63F7/382; A63F2250/00; A63F2250/48; A63F2250/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US157095A
Cited
US477904A
Cited
US610600A
Cited
FR383955A
Cited
US1800778A
Cited
US1932943A
Cited
GB416853A
Cited
US2125815A
Cited
CH259487A
Cited
FR1109355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |