US3287974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice condition detection device
Assignee: Holley Performance Products Inc
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Filing: 1964-03-30
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Granted: 1966-11-29
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Michael F Ciemochowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:11
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/02; F25; F25D; F25D21/00; F25D21/02; G; G01; G01N; G01N25/00; G01N25/56; G01N25/66; G01W; G01W1/00; G01W1/14; G08; G08B; G08B19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AN ELECTRONIC DEVICE FOR PREVENTING CONDENSATION OF MOISTURE ON A SURFACE, SAID DEVICE COMPRISING A SOURCE OF DIRECT CURRENT, MEANS FOR CONVERTING THE DIRECT CURRENT TO ALTERNATING CURRENT AND FOR AMPLIFYING THE ALTERNATING CURRENT, MEANS FOR PROVIDING A VOLTAGE OUTPUT PROPORTIONAL TO THE TEMPERATURE OF SAID SURFACE, MEANS FOR PROVIDING AN ALTERNATING CURRENT OUTPUT PROPORTIONAL TO DEW POINT TEMPERATURE, MEANS OPERATIVELY CONNECTED TO SAID LAST TWO MENTIONED MEANS FOR PREVENTING THE PASSAGE OF SAID TWO OUTPUTS SO LONG AS SAID OUTPUT PROPORTIONAL TO SURFACE TEMPERATURE REMAINS HIGHER THAN A PREDETERMINED VALUE, MEANS FOR CONVERTING SAID ALTERNATING CURRENT PROPORTIONAL TO DEW POINT TEMPERATURE TO DIRECT CURRENT AND FOR PRODUCING A VOLTAGE PROPORTIONAL TO SAID DEW POINT TEMPERATURE, AND MEANS OPERATIVELY CONNECTED TO SAID MEANS FOR PREVENTING THE PASSAGE OF SAID TWO OUTPUTS
Claim 2
Dependent Claim
131 words
AN ELECTRONIC DEVICE FOR PREVENTING CONDENSATION OF MOISTURE ON A SURFACE, SAID DEVICE COMPRISING A SOURCE OF DIRECT CURRENT, MEANS FOR CONVERTING THE DIRECT CURRENT TO ALTERNATING CURRENT AND FOR AMPLIFYING THE ALTERNATING CURRENT, MEANS FOR PROVIDING A VOLTAGE OUTPUT PROPORTIONAL TO THE TEMPERATURE OF SAID SURFACE, MEANS FOR PROVIDING AN ALTERNATING CURRENT OUTPUT PROPORTIONAL TO DEW POINT TEMPERATURE, MEANS OPERATIVELY CONNECTED TO SAID LAST TWO MENTIONED MEANS FOR PREVENTING THE PASSAGE OF SAID TWO OUTPUTS SO LONG AS SAID OUTPUT PROPORTIONAL TO SURFACE TEMPERATURE REMAINS HIGHER THAN A PREDETERMINED VALUE, MEANS FOR CONVERTING SAID ALTERNATING CURRENT PROPORTIONAL TO DEW POINT TEMPERATURE TO DIRECT CURRENT AND FOR PRODUCING A VOLTAGE PROPORTIONAL TO SAID DEW POINT TEMPERATURE, AND MEANS OPERATIVELY CONNECTED TO SAID MEANS FOR PREVENTING THE PASSAGE OF SAID TWO OUTPUTS
References Cited (Backward Citations)
CA672385A
Cited
US2717957A
Cited
US2767574A
Cited
US3056935A
Cited
US3146617A
Cited
FR1322873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |