Patent US325259A successfully refreshed from Google Patents.
US325259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace
Assignee: —
•
Filing: —
•
Granted: 1885-09-01
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Expires: 1902-09-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:33
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10; F27B1/20; Y; Y10; Y10S; Y10S198/00; Y10S198/952
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) | 1888-08-31 | 1889-03-02 | 1889-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1892-08-31 | 1893-03-02 | 1893-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1896-08-31 | 1897-03-02 | 1897-09-01 | $7700.00 | Window Closed / Lapsed |