US2872879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Model railway system
Assignee: Individual
•
Filing: 1954-05-10
•
Granted: 1959-02-10
•
Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Robert L Vierling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:55
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/32; B60L15/38; A; A63; A63H; A63H19/00; A63H19/24; B60L2200/00; B60L2200/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US484549A
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US503321A
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US793033A
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US1569233A
Cited
US1778465A
Cited
US1897749A
Cited
US2155343A
Cited
US2172468A
Cited
US2521240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |