US3236453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion booster heater for vehicle heating system
Assignee: Hupp Corp
•
Filing: 1963-05-24
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Granted: 1966-02-22
•
Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 David L Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:49
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/02; B60H1/03; B60H1/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A VEHICLE HEATING SYSTEM OF THE CLOSED, CIRCULATING LIQUID TYPE INCLUDING A COMBUSTION TYPE BOOSTER HEATER, A SPARK IGNITION ENGINE, AND AN IGNITION SYSTEM COMPRISING A DISTRIBUTOR FOR SAID ENGINE, THE IMPROVEMENT COMPRISING: A SPARK TYPE IGNITOR IN SAID BOOSTER HEATER; MEANS COMPRISING MAKE AND BREAK CONTACT MEANS FOR GENERATING HIGH VOLTAGE ELECTRICAL PULSES AND ALTERNATELY DISTRIBUTING SAID PULSES TO SAID IGNITION WHEREBY SAID MEANS SUPPLIES A RAPID SUCCESSION OF IGNITION SPARKS TO SAID BOOSTER HEATER TO THEREBY PROVIDE A SUBSTANTIALLY CONTINUOUS IGNITION AT SAID HEATER, AND TO SUCCESSIVE ONE OF SAID SPARK PLUGS OF SAID ENGINE, SAID MEANS BEING INCORPORATED IN SAID DISTRIBUTOR.
Claim 2
Dependent Claim
105 words
IN A VEHICLE HEATING SYSTEM OF THE CLOSED, CIRCULATING LIQUID TYPE INCLUDING A COMBUSTION TYPE BOOSTER HEATER, A SPARK IGNITION ENGINE, AND AN IGNITION SYSTEM COMPRISING A DISTRIBUTOR FOR SAID ENGINE, THE IMPROVEMENT COMPRISING: A SPARK TYPE IGNITOR IN SAID BOOSTER HEATER; MEANS COMPRISING MAKE AND BREAK CONTACT MEANS FOR GENERATING HIGH VOLTAGE ELECTRICAL PULSES AND ALTERNATELY DISTRIBUTING SAID PULSES TO SAID IGNITION WHEREBY SAID MEANS SUPPLIES A RAPID SUCCESSION OF IGNITION SPARKS TO SAID BOOSTER HEATER TO THEREBY PROVIDE A SUBSTANTIALLY CONTINUOUS IGNITION AT SAID HEATER, AND TO SUCCESSIVE ONE OF SAID SPARK PLUGS OF SAID ENGINE, SAID MEANS BEING INCORPORATED IN SAID DISTRIBUTOR.
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |