Patent US425108A successfully refreshed from Google Patents.
US425108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-trap
Assignee: —
•
Filing: —
•
Granted: 1890-04-08
•
Expires: 1907-04-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:10
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20; F16T1/22; F16T1/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/3028; Y10T137/3034; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/7722; Y10T137/7758; Y10T137/7762
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) | 1893-04-07 | 1893-10-07 | 1894-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-04-07 | 1897-10-07 | 1898-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-04-08 | 1901-10-08 | 1902-04-09 | $7700.00 | Window Closed / Lapsed |