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US45265A
Expired / Lapsed
US
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Improvement in carriage-springs
Assignee: —
•
Filing: —
•
Granted: 1864-11-29
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Expires: 1881-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:24
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/38; B60G11/42
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) | 1867-11-29 | 1868-05-30 | 1868-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1871-11-29 | 1872-05-30 | 1872-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1875-11-29 | 1876-05-30 | 1876-11-29 | $7700.00 | Window Closed / Lapsed |