Patent JPS60215868A successfully refreshed from Google Patents.
Patent EP0518704A1 successfully refreshed from Google Patents.
US2556346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level indicator for liquidcontaining vessels
Assignee: Individual
•
Filing: 1948-09-13
•
Granted: 1951-06-12
•
Expires: 1968-09-13
Abstract
No abstract record available.
Inventors
- 👤 Stromberg Bror Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:19
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/66; G01F23/68; Y; Y10; Y10T; Y10T137/00; Y10T137/8158; Y10T137/8342
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US530592A
Cited
US1040127A
Cited
US1502125A
Cited
FR600546A
Cited
DE535746C
Cited
US2206006A
Cited
US2233572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |