Patent US121920A successfully refreshed from Google Patents.
US121920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in fare-boxes
Assignee: —
•
Filing: —
•
Granted: 1871-12-12
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Expires: 1888-12-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:45
CPC Classifications
A; A45; A45C; A45C1/00; A45C1/12; G; G07; G07F; G07F7/00; G07F7/04
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) | 1874-12-11 | 1875-06-12 | 1875-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1878-12-11 | 1879-06-12 | 1879-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1882-12-11 | 1883-06-12 | 1883-12-12 | $7700.00 | Window Closed / Lapsed |