US492351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of water-supply
Assignee: —
•
Filing: —
•
Granted: 1893-02-21
•
Expires: 1910-02-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:35
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/04; E03C1/0401; E03B; E03B3/00; E03B3/06; E03B3/08; F; F16; F16K; F16K31/00; F16K31/12; F16K31/18; F16K31/20; F16K31/24; F16L; F16L3/00; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6991; Y10T137/7025; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7475; Y10T137/8593; Y10T137/86187; Y10T137/86292; Y10T137/86324; Y10T137/86332
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) | 1896-02-21 | 1896-08-22 | 1897-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-02-21 | 1900-08-23 | 1901-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-02-22 | 1904-08-23 | 1905-02-22 | $7700.00 | Window Closed / Lapsed |