US1373743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and mechanism for centrifugally separating substances
Assignee: Sharples Specialty Co
•
Filing: 1920-09-04
•
Granted: 1921-04-05
•
Expires: 1940-09-04
Abstract
No abstract record available.
Inventors
- 👤 Leo D Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
B; B04; B04B; B04B1/00; B04B11/00; B04B11/02; Y; Y10; Y10S; Y10S494/00; Y10S494/901
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) | 1924-04-04 | 1924-10-04 | 1925-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-04-04 | 1928-10-04 | 1929-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-04-04 | 1932-10-04 | 1933-04-05 | $7700.00 | Window Closed / Lapsed |