US37479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in axles
Assignee: —
•
Filing: —
•
Granted: 1863-01-20
•
Expires: 1880-01-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:22
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/12; B; B62; B62D; B62D55/00; B62D55/08; B62D55/14; B62D55/15; Y; Y10; Y10S; Y10S606/00; Y10S606/907
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) | 1866-01-19 | 1866-07-21 | 1867-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1870-01-19 | 1870-07-21 | 1871-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1874-01-19 | 1874-07-21 | 1875-01-20 | $7700.00 | Window Closed / Lapsed |