US3242473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for detecting the presence of water and ice in the fuel systems of aircraft
Assignee: Individual
•
Filing: 1963-07-23
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Granted: 1966-03-22
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles B Shivers
- 👤 Claude H Dorough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:00
CPC Classifications
G; G08; G08B; G08B21/00; G08B21/02; G08B21/12; Y; Y10; Y10S; Y10S261/00; Y10S261/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
IN APPARATUS FOR DETECTING THE PRESENCE OF ICE IN THE AIR PASSAGE OF AN INTERNAL COMBUSTION ENGINE CARBURETOR, (A) AN OPEN ELECTRIC CIRCUIT WITHIN WHICH IS INCLUDED A SOURCE OF E.M.F. AND A SIGNAL MEANS, (B) A PROBE EXTENDING BEYOND AND SPACED FROM AN INNER WALL OF THE CARBURETOR DEFINING SAID AIR PASSAGE AND LOCATED IN THAT PORTION OF THE PASSAGE WHERE THE DETECTION OF THE PRESENCE OF ICE IS DESIRED AND DISPOSED IN POSITION OF ICE FORMED IN SAID PORTION OF THE PASSAGE TO CLING TO THE PROBE AND SIMULTANEOUSLY CONTACT THE CARBURETOR WALL, AND (C) MEANS TO INCLUDE IN SAID CIRCUIT THE PROBE, THE CARBURETOR WALL, AND THE ICE IN CONTACT THEREWITH, WHEREBY THE CIRCUIT IS CLOSEDF BY THE ICE, THUS TO ENERGIZE THE SIGNAL MEANS.
Claim 2
Dependent Claim
128 words
IN APPARATUS FOR DETECTING THE PRESENCE OF ICE IN THE AIR PASSAGE OF AN INTERNAL COMBUSTION ENGINE CARBURETOR, (A) AN OPEN ELECTRIC CIRCUIT WITHIN WHICH IS INCLUDED A SOURCE OF E.M.F. AND A SIGNAL MEANS, (B) A PROBE EXTENDING BEYOND AND SPACED FROM AN INNER WALL OF THE CARBURETOR DEFINING SAID AIR PASSAGE AND LOCATED IN THAT PORTION OF THE PASSAGE WHERE THE DETECTION OF THE PRESENCE OF ICE IS DESIRED AND DISPOSED IN POSITION OF ICE FORMED IN SAID PORTION OF THE PASSAGE TO CLING TO THE PROBE AND SIMULTANEOUSLY CONTACT THE CARBURETOR WALL, AND (C) MEANS TO INCLUDE IN SAID CIRCUIT THE PROBE, THE CARBURETOR WALL, AND THE ICE IN CONTACT THEREWITH, WHEREBY THE CIRCUIT IS CLOSEDF BY THE ICE, THUS TO ENERGIZE THE SIGNAL MEANS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |