US1363699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal separator
Assignee: Individual
•
Filing: 1918-06-11
•
Granted: 1920-12-28
•
Expires: 1938-06-11
Abstract
No abstract record available.
Inventors
- 👤 Ward Karl
- 👤 Ward Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:33
CPC Classifications
B; B04; B04B; B04B5/00; B04B5/12; B04B2005/125; Y; Y10; Y10S; Y10S494/00; Y10S494/90
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) | 1923-12-28 | 1924-06-28 | 1924-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-28 | 1928-06-28 | 1928-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-28 | 1932-06-28 | 1932-12-28 | $7700.00 | Window Closed / Lapsed |