US2653123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for separation
Assignee: —
•
Filing: —
•
Granted: 1953-09-22
•
Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:06
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/02; C10G73/24; C07; C07C; C07C275/00; C07C275/02; C07C335/00; C07C335/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A CONTINUOUS METHOD OF SEPARATING WAX FROM WAX-BEARING MINERAL OIL BY TRETMENT WITH AN ORGANIC AGENT HAVING THE STRUCTURE:
Claim 2
Dependent Claim
19 words
A CONTINUOUS METHOD OF SEPARATING WAX FROM WAX-BEARING MINERAL OIL BY TRETMENT WITH AN ORGANIC AGENT HAVING THE STRUCTURE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |