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US506389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: —
•
Filing: —
•
Granted: 1893-10-10
•
Expires: 1910-10-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:28
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/10; B05B3/1007; B05B3/1021; Y; Y10; Y10S; Y10S118/00; Y10S118/07; Y10S118/16
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) | 1896-10-09 | 1897-04-10 | 1897-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-10-10 | 1901-04-11 | 1901-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-10-10 | 1905-04-11 | 1905-10-11 | $7700.00 | Window Closed / Lapsed |