US3170509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive heating and air conditioning systems
Assignee: Motors Liquidation Co
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Filing: 1961-09-20
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Granted: 1965-02-23
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Expires: 1981-09-20
Abstract
No abstract record available.
Inventors
- 👤 Rees Delbert D De
- 👤 Robert M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:10
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/0005; B60H1/00207; B60H2001/00214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
AN AUTOMOTIVE HEATING AND AIR CONDITIONING SYSTEM COMPRISING AN AUTOMOTIVE BODY, SAID BODY DEFINING A PASSENGER COMPARTMENT AND HAVING A COWL STRUCTURE AND A FIREWALL FORWARD OF SAID PASSENGER COMPARTMENT, SAID FIREWALL DEFINING AN APERTURE, SAID COWL STRUCTURE EXTENDING REARWARDLY FROM SAID FIREWALL, SUBASSEMBLY JOINED TO SAID FIREWALL AND COWL STRUCTURE ADN EXTENDING INTO SAID COMPARTMENT, HEAT EXCHANGE MEANS IN SAID SUBASSEMBLY AND ACCESSIBLE FOR MOUNTING AND REMOVAL BY WAY OF SAID APERTURE, PARTITIONS WITHIN SAID SUBASSEMBLY AND LYING IN PLANES INTERSECTING AT ACUTE ANGLES TO EFFECT RIGIDITY IN SAID BODY, SAID PARTITIONS DEFINING THROUGH PORTS FOR AIR, SAID HEAT EXCHANGE MEANS BEING MOUNTED AT THE FORWARD SIDES OF SAID PARTITIONS, MEANS FOR CONDUCTING OUTSIDE AIR TO SAID APERTURE, AND DAMPERS ARRANGED TO CONTROL SAID PORTS TO DIRECT AIR THROUGH AND AROUND SAID HEAT EXCHANGE MEANS AND INTO SAID PASSENGER COMPARTMENT.
Claim 2
Dependent Claim
141 words
AN AUTOMOTIVE HEATING AND AIR CONDITIONING SYSTEM COMPRISING AN AUTOMOTIVE BODY, SAID BODY DEFINING A PASSENGER COMPARTMENT AND HAVING A COWL STRUCTURE AND A FIREWALL FORWARD OF SAID PASSENGER COMPARTMENT, SAID FIREWALL DEFINING AN APERTURE, SAID COWL STRUCTURE EXTENDING REARWARDLY FROM SAID FIREWALL, SUBASSEMBLY JOINED TO SAID FIREWALL AND COWL STRUCTURE ADN EXTENDING INTO SAID COMPARTMENT, HEAT EXCHANGE MEANS IN SAID SUBASSEMBLY AND ACCESSIBLE FOR MOUNTING AND REMOVAL BY WAY OF SAID APERTURE, PARTITIONS WITHIN SAID SUBASSEMBLY AND LYING IN PLANES INTERSECTING AT ACUTE ANGLES TO EFFECT RIGIDITY IN SAID BODY, SAID PARTITIONS DEFINING THROUGH PORTS FOR AIR, SAID HEAT EXCHANGE MEANS BEING MOUNTED AT THE FORWARD SIDES OF SAID PARTITIONS, MEANS FOR CONDUCTING OUTSIDE AIR TO SAID APERTURE, AND DAMPERS ARRANGED TO CONTROL SAID PORTS TO DIRECT AIR THROUGH AND AROUND SAID HEAT EXCHANGE MEANS AND INTO SAID PASSENGER COMPARTMENT.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |