US2621441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whistling toy aerial projectile
Assignee: Individual
•
Filing: 1948-12-01
•
Granted: 1952-12-16
•
Expires: 1968-12-01
Abstract
No abstract record available.
Inventors
- 👤 Floyd O Worden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:14
CPC Classifications
F; F41; F41B; F41B3/00; F41B3/02; A; A63; A63H; A63H5/00; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/362; F42B6/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1655529A
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US917271A
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US1328134A
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US1328967A
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US2443395A
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US2445906A
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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) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |