US54014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in apparatus for collecting floating oil
Assignee: —
•
Filing: —
•
Granted: 1866-04-17
•
Expires: 1883-04-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:51
CPC Classifications
F; F03; F03B; F03B17/00; F03B17/06; F03B17/061; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
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) | 1869-04-16 | 1869-10-16 | 1870-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1873-04-16 | 1873-10-16 | 1874-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1877-04-16 | 1877-10-16 | 1878-04-17 | $7700.00 | Window Closed / Lapsed |