Patent US60378A successfully refreshed from Google Patents.
US60378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in steam valves
Assignee: —
•
Filing: —
•
Granted: 1866-12-11
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Expires: 1883-12-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:00
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/26; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799
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) | 1869-12-10 | 1870-06-11 | 1870-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-12-10 | 1874-06-11 | 1874-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-12-10 | 1878-06-11 | 1878-12-11 | $7700.00 | Window Closed / Lapsed |