Patent US3279254A successfully refreshed from Google Patents.
US3279254A
Expired / Lapsed
US
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Liquid level gauge
Assignee: Individual
•
Filing: 1963-12-03
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Granted: 1966-10-18
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Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Peter C Zumbusch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:09
CPC Classifications
G; G01; G01L; G01L1/00; G01L1/04; G01L1/044; G01F; G01F23/00; G01F23/0038
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LIQUID LEVEL GAUGE FOR INDICATING THE LEVEL OF A FLUID IN A VESSEL, COMPRISING: (A) A FLOAT ASSEMBLY HAVING A COUNTERWEIGHT ASSOCIATED THEREWITH MAKING THE FLOAT ASSEMBLY SENSE THE LEVEL OF THE LIQUID DIRECTLY AS A FUNCTION OF THE LIQUID''S BUOYANCY; (B) A CASING CONNECTED TO THE VESSEL HAVING AN OPENING IN COMMUNICATION WITH THE LIQUID THEREIN; (C) CONNECTING MEANS CONNECTED TO AND MOVABLE RESPONSIVE TO THE MOVEMENT OF SAID FLOAT ASSEMBLY AND DISPOSED TO EXTEND THROUGH THE OPENING INTO SAID CASING; (D) RESILIENT MEANS ADJUSTABLY CONNECTED TO SAID CASING AND COACTING WITH SAID CONNECTING MEANS TO PERMIT AND ADJUST THE FORCE BALANCE ON THE FLOAT ASSEMBLY IN ACCORDANCE WITH THE SPECIFIC GRAVITY OF THE FLUID BEING MEASURED BY THE LIQUID LEVEL GAUGE; (E) MAGNETIC MEANS MOVABLY MOUNTED IN SAID CASING AND ACTUATED RESPONSIVE TO MOVEMENT OF SAID CONNECTING MEANS,
Claim 2
Dependent Claim
141 words
A LIQUID LEVEL GAUGE FOR INDICATING THE LEVEL OF A FLUID IN A VESSEL, COMPRISING: (A) A FLOAT ASSEMBLY HAVING A COUNTERWEIGHT ASSOCIATED THEREWITH MAKING THE FLOAT ASSEMBLY SENSE THE LEVEL OF THE LIQUID DIRECTLY AS A FUNCTION OF THE LIQUID''S BUOYANCY; (B) A CASING CONNECTED TO THE VESSEL HAVING AN OPENING IN COMMUNICATION WITH THE LIQUID THEREIN; (C) CONNECTING MEANS CONNECTED TO AND MOVABLE RESPONSIVE TO THE MOVEMENT OF SAID FLOAT ASSEMBLY AND DISPOSED TO EXTEND THROUGH THE OPENING INTO SAID CASING; (D) RESILIENT MEANS ADJUSTABLY CONNECTED TO SAID CASING AND COACTING WITH SAID CONNECTING MEANS TO PERMIT AND ADJUST THE FORCE BALANCE ON THE FLOAT ASSEMBLY IN ACCORDANCE WITH THE SPECIFIC GRAVITY OF THE FLUID BEING MEASURED BY THE LIQUID LEVEL GAUGE; (E) MAGNETIC MEANS MOVABLY MOUNTED IN SAID CASING AND ACTUATED RESPONSIVE TO MOVEMENT OF SAID CONNECTING MEANS,
References Cited (Backward Citations)
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US1544340A
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US1594536A
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US2311387A
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US2497694A
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US2576561A
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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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |