US2620190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tip for darts and arrows
Assignee: Individual
•
Filing: 1947-11-10
•
Granted: 1952-12-02
•
Expires: 1967-11-10
Abstract
No abstract record available.
Inventors
- 👤 Bean Donald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/362; F42B12/46; F42B12/54; F42B12/56; F42B12/58; F42B12/62; F42B12/625; F42B6/00; F42B6/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |