Patent US2813373A successfully refreshed from Google Patents.
US2813373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy radio station, telephone, and signaling system
Assignee: ROBIN HOOD CO
•
Filing: 1955-03-07
•
Granted: 1957-11-19
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Heller Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:12
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1020030A
Cited
US1518845A
Cited
US1826105A
Cited
US2362214A
Cited
US2574905A
Cited
US2481686A
Cited
US2628101A
Cited
US2664665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |