Patent US13346A successfully refreshed from Google Patents.
US13346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan-blower
Assignee: —
•
Filing: —
•
Granted: 1855-07-31
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Expires: 1872-07-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:18
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/4206; F04D29/4226
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) | 1858-07-30 | 1859-01-29 | 1859-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1862-07-30 | 1863-01-29 | 1863-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1866-07-30 | 1867-01-29 | 1867-07-31 | $7700.00 | Window Closed / Lapsed |