Patent US455257A successfully refreshed from Google Patents.
US455257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank-valve
Assignee: —
•
Filing: —
•
Granted: 1891-06-30
•
Expires: 1908-06-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:02
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/06; E03D1/08; E03D1/082; E03D1/085; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7329; Y10T137/7332
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) | 1894-06-29 | 1894-12-29 | 1895-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-06-29 | 1898-12-29 | 1899-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-06-30 | 1902-12-30 | 1903-07-01 | $7700.00 | Window Closed / Lapsed |