US3089338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level gage
Assignee: Cameron Solutions Inc
•
Filing: 1960-08-23
•
Granted: 1963-05-14
•
Expires: 1980-08-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence O Glasgow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:49
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
A LEVEL GAGE FOR LIQUIDS WITHIN A CLOSED PRESSURE VESSEL INCLUDING, A PRESSURE VESSEL IN WHICH LIQUID IS TO BE MAINTAINED AT A LEVEL WITHIN PREDETERMINED LIMITS, AN ACCESS PORT IN THE SIDE OF THE VESSEL POSITIONED AT A HEIGHT WHICH WILL SPAN THE RANGE OF LEVEL VARIATION, A FLANGE-DISC MOUNTED OVER THE PORT, MEANS FOR SEALING THE EDGES OF THE FLANGE-DISC TO THE PORT, A LEVEL-DETECTING INSTRUMENT EXTENDING THROUGH THE CENTER OF THE FLANGE-DISC AND MOUNTED THEREON, TRANSPARENT INSERT BODIES MOUNTED THROUGH OPENINGS SPACED ON A CIRCLE ABOUT THE CENTER OF THE FLANGE-DISC AND RELATED TO THE VERTICAL SO AS TO GIVE A SUBSTANTIALLY CONTINUOUS VIEW OF THE LEVEL FROM A POINT EXTERNAL THE VESSEL, AND A REFLECTOR DISC MOUNTED ON THE INSTRUMENT EXTENDING THROUGH THE CENTER OF THE FLANGE-DISC AND SPACED BEHIND THE BODIES AND WITHIN THE VESSEL SO THE LIQUID LEVEL IN FRONT OF THE DISC MAY BE CLEARLY AND SUBSTANTIALLY CONTINUOUSLY VIEWED THROUGH THE TRANSPARENT BODIES.
Claim 2
Dependent Claim
160 words
A LEVEL GAGE FOR LIQUIDS WITHIN A CLOSED PRESSURE VESSEL INCLUDING, A PRESSURE VESSEL IN WHICH LIQUID IS TO BE MAINTAINED AT A LEVEL WITHIN PREDETERMINED LIMITS, AN ACCESS PORT IN THE SIDE OF THE VESSEL POSITIONED AT A HEIGHT WHICH WILL SPAN THE RANGE OF LEVEL VARIATION, A FLANGE-DISC MOUNTED OVER THE PORT, MEANS FOR SEALING THE EDGES OF THE FLANGE-DISC TO THE PORT, A LEVEL-DETECTING INSTRUMENT EXTENDING THROUGH THE CENTER OF THE FLANGE-DISC AND MOUNTED THEREON, TRANSPARENT INSERT BODIES MOUNTED THROUGH OPENINGS SPACED ON A CIRCLE ABOUT THE CENTER OF THE FLANGE-DISC AND RELATED TO THE VERTICAL SO AS TO GIVE A SUBSTANTIALLY CONTINUOUS VIEW OF THE LEVEL FROM A POINT EXTERNAL THE VESSEL, AND A REFLECTOR DISC MOUNTED ON THE INSTRUMENT EXTENDING THROUGH THE CENTER OF THE FLANGE-DISC AND SPACED BEHIND THE BODIES AND WITHIN THE VESSEL SO THE LIQUID LEVEL IN FRONT OF THE DISC MAY BE CLEARLY AND SUBSTANTIALLY CONTINUOUSLY VIEWED THROUGH THE TRANSPARENT BODIES.
References Cited (Backward Citations)
CA463144A
Cited
GB190212057A
Cited
US798656A
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US1142540A
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US1127084A
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US1189922A
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US1408218A
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US1880847A
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GB514133A
Cited
US2357753A
Cited
US2680874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |