Patent US3366A successfully refreshed from Google Patents.
US3366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensee of steam-engines
Assignee: —
•
Filing: —
•
Granted: 1843-12-04
•
Expires: 1860-12-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:42
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0132; Y; Y10; Y10S; Y10S165/00; Y10S165/355; Y10S165/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1846-12-03 | 1847-06-04 | 1847-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1850-12-03 | 1851-06-04 | 1851-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1854-12-03 | 1855-06-04 | 1855-12-04 | $7700.00 | Window Closed / Lapsed |