US1601383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid-testing apparatus
Assignee: Individual
•
Filing: 1925-06-23
•
Granted: 1926-09-28
•
Expires: 1945-06-23
Abstract
No abstract record available.
Inventors
- 👤 Emery W Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:21
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/49
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) | 1929-09-27 | 1930-03-29 | 1930-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-09-27 | 1934-03-29 | 1934-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-09-27 | 1938-03-29 | 1938-09-28 | $7700.00 | Window Closed / Lapsed |