Patent US251897A successfully refreshed from Google Patents.
US251897A
Expired / Lapsed
US
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Assignee: —
•
Filing: —
•
Granted: 1882-01-03
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Expires: 1899-01-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:42
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/04; F16K11/044; B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/36; B60T13/365; B60T15/00; B60T15/02; B60T15/021; F16K15/00; F16K15/14; F16K15/148; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/7722; Y10T137/7781; Y10T137/7832
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) | 1885-01-02 | 1885-07-04 | 1886-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-01-02 | 1889-07-04 | 1890-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-01-02 | 1893-07-04 | 1894-01-03 | $7700.00 | Window Closed / Lapsed |