Patent US30580A successfully refreshed from Google Patents.
US30580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
kirkham
Assignee: —
•
Filing: —
•
Granted: 1860-11-06
•
Expires: 1877-11-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:05
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/22; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0971
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) | 1863-11-06 | 1864-05-07 | 1864-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1867-11-06 | 1868-05-07 | 1868-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1871-11-06 | 1872-05-07 | 1872-11-06 | $7700.00 | Window Closed / Lapsed |