US2690079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure compensating gauge
Assignee: LIQUIDVISION GAUGE AND CONTROL
•
Filing: 1951-06-01
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Granted: 1954-09-28
•
Expires: 1971-06-01
Abstract
No abstract record available.
Inventors
- 👤 Albert J Morschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:03
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/16; G01F23/165; G01F23/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2001853A
Cited
US2233572A
Cited
US2345464A
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US2509644A
Cited
US2425691A
Cited
US2554374A
Cited
US2577548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |