Patent US3266312A successfully refreshed from Google Patents.
US3266312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Level indicator sending unit
Assignee: Motors Liquidation Co
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Filing: 1964-02-17
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Granted: 1966-08-16
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Richard B Coleman
- 👤 Neal E Neese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:29
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A LIQUID LEVEL SENDING UNIT COMPRISING A FIRST COVER AT ONE END ADAPTED TO BE FIXED TO THE TOP WALL OF A TANK, A SECOND COVER SPACED FROM SAID FIRST COVER, FILTERING MEANS AT THE OTHER END OF SAID UNIT AND SUPPORTED BY SAID SECOND COVER FOR SUBMERGENCE IN SAID TANK, A CONDUIT ON SAID FIRST COVER AND DEFINING A SUCTION PASSAGE LEADING THROUGH BOTH COVERS TO SAID FILTERING MEANS, MULTIPLE RODS FIXED TO SAID COVERS AND EXTENDING ALONG A LENGTH PORTION OF SAID CONDUIT, A RESISTANCE ELEMENT EXTENDING ALONG ONE OF SAID RODS WITH ONE END OF SAID ELEMENT ELECTRICALLY CONNECTED TO A SECOND OF SAID RODS, A FLOAT MOVABLE ALONG SAID LENGTH PORTION OF SAID CONDUIT AND CARRYING CONTACT MEANS SLIDABLE ON SAID RESISTANCE AND ONE OTHER OF SAID RODS, AND TERMINALS ON SAID SECOND AND ONE OTHER RODS.
Claim 2
Dependent Claim
141 words
A LIQUID LEVEL SENDING UNIT COMPRISING A FIRST COVER AT ONE END ADAPTED TO BE FIXED TO THE TOP WALL OF A TANK, A SECOND COVER SPACED FROM SAID FIRST COVER, FILTERING MEANS AT THE OTHER END OF SAID UNIT AND SUPPORTED BY SAID SECOND COVER FOR SUBMERGENCE IN SAID TANK, A CONDUIT ON SAID FIRST COVER AND DEFINING A SUCTION PASSAGE LEADING THROUGH BOTH COVERS TO SAID FILTERING MEANS, MULTIPLE RODS FIXED TO SAID COVERS AND EXTENDING ALONG A LENGTH PORTION OF SAID CONDUIT, A RESISTANCE ELEMENT EXTENDING ALONG ONE OF SAID RODS WITH ONE END OF SAID ELEMENT ELECTRICALLY CONNECTED TO A SECOND OF SAID RODS, A FLOAT MOVABLE ALONG SAID LENGTH PORTION OF SAID CONDUIT AND CARRYING CONTACT MEANS SLIDABLE ON SAID RESISTANCE AND ONE OTHER OF SAID RODS, AND TERMINALS ON SAID SECOND AND ONE OTHER RODS.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |