US2551793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for indicating weight of tank contents
Assignee: Liquidometer Corp
•
Filing: 1948-08-12
•
Granted: 1951-05-08
•
Expires: 1968-08-12
Abstract
No abstract record available.
Inventors
- 👤 Giers Clarence A De
- 👤 Wickesser Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972146A
Cited
US2088032A
Cited
US2264487A
Cited
US2382695A
Cited
US2332288A
Cited
US2409073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |