Patent US3068374A successfully refreshed from Google Patents.
US3868060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Camper heating system
Assignee: Individual
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Filing: 1973-09-19
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Granted: 1975-02-25
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Expires: 1993-09-19
Abstract
Abstract A heating system including a portable heater removably installed within a camper unit. Said heater utilizing heated engine coolant in communication with the trucks cooling system by quick-release type couplings with permanently mounted coupling members secured to the truck bed and receiving detachable coupling members associated with the heater.
Inventors
- 👤 John C Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:22
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00364
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A heating system for a truck mounted camper unit of the type removably mounted within the truck box, said system comprising, a portable fluid to air heat exchanger including fan means, an enclosure for said fan means, inlet and outlet fittings, flexible inlet and outlet conduit segments serving the heat exchanger, valve means for regulating fluid flow through said segments and the heat exchanger, quick-release coupling members of the self-sealing type, means mounting said quick-release coupling members in a recessed manner below the camper supporting surface of the truck bed and serviced by hoses in communication with the trucks engine cooling system. additional quick-reLease coupling members carried by said flexible inlet and outlet conduit segments for coupling with said mounted coupling members through an opening in a camper wall whereby the heat exchanger may be put into fluid circuit with the trucks cooling system subsequent to installation of the camper in the truck box or alternately uncoupled and removed from the camper without loss of engine coolant.
Claim 2
Dependent Claim
167 words
A heating system for a truck mounted camper unit of the type removably mounted within the truck box, said system comprising, a portable fluid to air heat exchanger including fan means, an enclosure for said fan means, inlet and outlet fittings, flexible inlet and outlet conduit segments serving the heat exchanger, valve means for regulating fluid flow through said segments and the heat exchanger, quick-release coupling members of the self-sealing type, means mounting said quick-release coupling members in a recessed manner below the camper supporting surface of the truck bed and serviced by hoses in communication with the trucks engine cooling system. additional quick-reLease coupling members carried by said flexible inlet and outlet conduit segments for coupling with said mounted coupling members through an opening in a camper wall whereby the heat exchanger may be put into fluid circuit with the trucks cooling system subsequent to installation of the camper in the truck box or alternately uncoupled and removed from the camper without loss of engine coolant.
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) | 1978-02-24 | 1978-08-26 | 1979-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-24 | 1982-08-26 | 1983-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-24 | 1986-08-26 | 1987-02-25 | $7700.00 | Window Closed / Lapsed |