US3086397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic device
Assignee: The Bell Corp
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Filing: 1960-04-08
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Granted: 1963-04-23
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Expires: 1980-04-08
Abstract
No abstract record available.
Inventors
- 👤 Ray E Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:21
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/32; G01F23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A LIQUID VOLUME INDICATOR FOR A PLURALITY OF TANKS COMPRISING: A PLURALITY OF MEASURING MEANS, EACH BEING A MEASURING MEANS FOR DETERMINING THE LIQUID LEVEL OF ONE OF SAID PLURALITY OF TANKS, A PLURALITY OF CONVERTING MEANS EACH BEING A CONVERTING MEANS FOR PRODUCING A DIFFERENTIAL GAS PRESSURE FROM A SOURCE OF PRESSURIZED GAS PROPORTIONAL TO THE LIQUID LEVEL OF EACH TANK AS DETERMINED BY THE MEASURING MEANS, AND AN INDICATOR OF GAS PRESSURE DIFFERENCES; ALL THE CONVERTING MEANS CONNECTED IN SERIES WITH EACH OTHER AND WITH THE INDICATOR SO THAT THE INDI-
Claim 2
Dependent Claim
93 words
A LIQUID VOLUME INDICATOR FOR A PLURALITY OF TANKS COMPRISING: A PLURALITY OF MEASURING MEANS, EACH BEING A MEASURING MEANS FOR DETERMINING THE LIQUID LEVEL OF ONE OF SAID PLURALITY OF TANKS, A PLURALITY OF CONVERTING MEANS EACH BEING A CONVERTING MEANS FOR PRODUCING A DIFFERENTIAL GAS PRESSURE FROM A SOURCE OF PRESSURIZED GAS PROPORTIONAL TO THE LIQUID LEVEL OF EACH TANK AS DETERMINED BY THE MEASURING MEANS, AND AN INDICATOR OF GAS PRESSURE DIFFERENCES; ALL THE CONVERTING MEANS CONNECTED IN SERIES WITH EACH OTHER AND WITH THE INDICATOR SO THAT THE INDI-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |