US1706234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrometer
Assignee: Individual
•
Filing: 1925-04-27
•
Granted: 1929-03-19
•
Expires: 1945-04-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick C Jewell
- 👤 Henry S Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:48
CPC Classifications
G; G01; G01N; G01N9/00; G01N9/10; G01N9/12; G01N9/14
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) | 1932-03-18 | 1932-09-17 | 1933-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-03-18 | 1936-09-17 | 1937-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-03-18 | 1940-09-17 | 1941-03-19 | $7700.00 | Window Closed / Lapsed |