US168845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in car-springs
Assignee: —
•
Filing: —
•
Granted: 1875-10-19
•
Expires: 1892-10-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:31
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; F; F16; F16F; F16F1/00; F16F1/36; F16F1/371
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1878-10-18 | 1879-04-19 | 1879-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-10-18 | 1883-04-19 | 1883-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-10-18 | 1887-04-19 | 1887-10-19 | $7700.00 | Window Closed / Lapsed |