US2933601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elongated liquid level gauge
Assignee: J J MAGUIRE
•
Filing: 1954-12-16
•
Granted: 1960-04-19
•
Expires: 1974-12-16
Abstract
No abstract record available.
Inventors
- 👤 Friedman Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:18
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/306; G01F23/22; G01F23/28; G01F23/284; G01F23/288
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2734136A
Cited
US2506585A
Cited
US2662985A
Cited
US2714167A
Cited
US2674695A
Cited
US2737592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |