US1403650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating gases from liquids
Assignee: Individual
•
Filing: 1921-02-21
•
Granted: 1922-01-17
•
Expires: 1941-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Benjamin Skidmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:24
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0047; Y; Y10; Y10S; Y10S55/00; Y10S55/34
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) | 1925-01-16 | 1925-07-18 | 1926-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-01-16 | 1929-07-18 | 1930-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-01-16 | 1933-07-18 | 1934-01-17 | $7700.00 | Window Closed / Lapsed |