US48841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in apparatus for obtaining oil from running streams
Assignee: —
•
Filing: —
•
Granted: 1865-07-18
•
Expires: 1882-07-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:54
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; E; E02; E02B; E02B8/00; E02B8/02; E02B8/023; E02B8/026; Y; 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) | 1868-07-17 | 1869-01-16 | 1869-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1872-07-17 | 1873-01-16 | 1873-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1876-07-17 | 1877-01-16 | 1877-07-18 | $7700.00 | Window Closed / Lapsed |