US2446844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid gauge
Assignee: OIL EQUIPMENT MANUFACTURING Corp
•
Filing: 1946-06-18
•
Granted: 1948-08-10
•
Expires: 1966-06-18
Abstract
No abstract record available.
Inventors
- 👤 Molaver Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:03
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1172481A
Cited
US1482852A
Cited
US1411917A
Cited
US2182172A
Cited
US2255310A
Cited
US2212318A
Cited
US2374142A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |