Patent US5569198A successfully refreshed from Google Patents.
US57647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in operating india-rubber springs
Assignee: —
•
Filing: —
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Granted: 1866-08-28
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Expires: 1883-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:18
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/22; F; F16; F16F; F16F1/00; F16F1/36; F16F1/371
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) | 1869-08-27 | 1870-02-26 | 1870-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-08-27 | 1874-02-26 | 1874-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-08-27 | 1878-02-26 | 1878-08-28 | $7700.00 | Window Closed / Lapsed |