US3217541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote reading gauge
Assignee: Individual
•
Filing: 1963-09-20
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Granted: 1965-11-16
•
Expires: 1983-09-20
Abstract
No abstract record available.
Inventors
- 👤 John M Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:05
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/40; G01F23/42; G01F23/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
239 words
A REMOTE READING LIQUID LEVEL GAUGE WHICH COMPRISES A VERTICALLY DISPOSED CYLINDRICAL GAUGE CASE HAVING AN INTEGRAL HORIZONTAL TUBESHEET AT THE LOWER END THEREOF AND A TRANSPARENT SIGHT GLASS AT THE UPPER END THEREOF, FIRST TUBULAR GUIDE MEANS EXTENDING THROUGH AND DEPENDING FROM SAID TUBESHEET, SECOND TUBULAR GUIDE MEANS EXTENDING THROUGH AND DEPENDING FROM SAID TUBESHEET, STATIONARY SHAFT MEANS DEPENDING FROM SAID GAUGE CASE, EXTENDING HORIZONTALLY THEREACROSS MEDIATE SAID FIRST AND SECOND TUBULAR GUIDE MEANS AND NORMAL TO THE LINE CONNECTING THE CENTERLINES THEREOF, A TAPE WHEEL ROTATABLY MOUNTED ON SAID SHAFT MEANS BY ROLLER BEARING MEANS, KEEPER MEANS AFFIXED TO SAID SHAFT ON EACH SIDE OF SAID TAPE WHEEL, FORAMINOUS SHIELD MEANS ENCLOSING SAID TUBULAR GUIDE MEANS, COUNTERWEIGHT MEANS IN SAID FIRST TUBULAR GUIDE MEANS, FLOAT MEANS IN SAID SECOND TUBLAR GUIDE MEANS, SAID FLOAT MEANS BEING FROM 0.5% TO 2% HEAVIER THAN SAID COUNTERWEIGHT AND HAVING A CROSS-SECTIONAL AREA GREAT ENOUGH TO ACCOUNT FOR THE DISPLACEMENT OF THE WEIGHT, AND COMPRISING A FRUSTOCONICAL BODY HAVING A MINOR END AND A MAJOR END, SAID MAJOR END HAVING CONCAVITY FORMED THEREIN AND SAID MINOR END HAVING MOUNTING MEANS ATTACHED THERETO, AND A GRADUATE TAPE IN LOOPED ENGAGEMENT WITH SAID TAPE WHEEL AND HAVING A FIRST END EXTENDING INTO SAID FIRST TUBULAR GUIDE MEANS AND ATTACHED TO SAID COUNTERWEIGHT, AND A SECOND END EXTENDING INTO SAID SECOND TUBULAR GUIDE MEANS AND ATTACHED TO SAID MOUNTING MEANS OF SAID FLOAT MEANS.
Claim 2
Dependent Claim
239 words
A REMOTE READING LIQUID LEVEL GAUGE WHICH COMPRISES A VERTICALLY DISPOSED CYLINDRICAL GAUGE CASE HAVING AN INTEGRAL HORIZONTAL TUBESHEET AT THE LOWER END THEREOF AND A TRANSPARENT SIGHT GLASS AT THE UPPER END THEREOF, FIRST TUBULAR GUIDE MEANS EXTENDING THROUGH AND DEPENDING FROM SAID TUBESHEET, SECOND TUBULAR GUIDE MEANS EXTENDING THROUGH AND DEPENDING FROM SAID TUBESHEET, STATIONARY SHAFT MEANS DEPENDING FROM SAID GAUGE CASE, EXTENDING HORIZONTALLY THEREACROSS MEDIATE SAID FIRST AND SECOND TUBULAR GUIDE MEANS AND NORMAL TO THE LINE CONNECTING THE CENTERLINES THEREOF, A TAPE WHEEL ROTATABLY MOUNTED ON SAID SHAFT MEANS BY ROLLER BEARING MEANS, KEEPER MEANS AFFIXED TO SAID SHAFT ON EACH SIDE OF SAID TAPE WHEEL, FORAMINOUS SHIELD MEANS ENCLOSING SAID TUBULAR GUIDE MEANS, COUNTERWEIGHT MEANS IN SAID FIRST TUBULAR GUIDE MEANS, FLOAT MEANS IN SAID SECOND TUBLAR GUIDE MEANS, SAID FLOAT MEANS BEING FROM 0.5% TO 2% HEAVIER THAN SAID COUNTERWEIGHT AND HAVING A CROSS-SECTIONAL AREA GREAT ENOUGH TO ACCOUNT FOR THE DISPLACEMENT OF THE WEIGHT, AND COMPRISING A FRUSTOCONICAL BODY HAVING A MINOR END AND A MAJOR END, SAID MAJOR END HAVING CONCAVITY FORMED THEREIN AND SAID MINOR END HAVING MOUNTING MEANS ATTACHED THERETO, AND A GRADUATE TAPE IN LOOPED ENGAGEMENT WITH SAID TAPE WHEEL AND HAVING A FIRST END EXTENDING INTO SAID FIRST TUBULAR GUIDE MEANS AND ATTACHED TO SAID COUNTERWEIGHT, AND A SECOND END EXTENDING INTO SAID SECOND TUBULAR GUIDE MEANS AND ATTACHED TO SAID MOUNTING MEANS OF SAID FLOAT MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |