← Back to Patent Explorer
US2645490A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic dart entertainment device

Assignee: TOY ENTERPRISES OF AMERICA Inc
•
Filing: 1949-10-18
•
Granted: 1953-07-14
•
Expires: 1969-10-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Harold J Volman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:16
CPC Classifications
A; A63; A63B; A63B65/00; A63B65/12; A63B65/122; A63F; A63F9/00; A63F9/02; A63F9/0204; A63F9/0243; A63B2208/00; A63B2208/12; A63F2250/00; A63F2250/18; A63F2250/186; A63F7/00; A63F7/0088

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US286868A Cited
US795049A Cited
US865246A Cited
US1210847A Cited
US2024034A Cited
US2477531A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-13 1957-01-12 1957-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-13 1961-01-12 1961-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-13 1965-01-12 1965-07-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag