US2293397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy railroad siding system
Assignee: Louis Marx and Co Inc
•
Filing: 1939-05-31
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Granted: 1942-08-18
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Expires: 1959-05-31
Abstract
No abstract record available.
Inventors
- 👤 Edward E Mckeige
- 👤 Willis E Rexford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:55
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/30; A63H19/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-08-17 | 1946-02-16 | 1946-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-08-17 | 1950-02-16 | 1950-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-08-17 | 1954-02-16 | 1954-08-18 | $7700.00 | Window Closed / Lapsed |