Patent US2527075A successfully refreshed from Google Patents.
Patent US3078373A successfully refreshed from Google Patents.
Patent US2622542A successfully refreshed from Google Patents.
US2622542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control for toy electric railroads
Assignee: Lionel Corp
•
Filing: 1947-10-11
•
Granted: 1952-12-23
•
Expires: 1967-10-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bonanno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:04
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2073443A
Cited
US1569233A
Cited
US2173483A
Cited
FR820714A
Cited
US2429819A
Cited
US2378326A
Cited
US2430471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |