US3155318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Accessory heating system for tractors and similar equipment
Assignee: Individual
•
Filing: 1963-01-11
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Granted: 1964-11-03
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Expires: 1983-01-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Kirkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00271
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A TEMPORARY, ACCESSORY, HEAT-CONDUCTING DEVICE ADAPTED TO TRANSFER HEAT FROM A RADIATOR OF A TRACTOR OR SIMILAR EQUIPMENT, WHICH HAS A FAN ARRANGED TO PROPEL AIR FORWARDLY THROUGH AND OUT THE FRONT OF THE RADIATOR TO AN OPERATOR''S COMPARTMENT, AND FOR RETAINING TRANSFERRED HEAT IN THE COMPARTMENT, SAID DEVICE COMPRISING: A RADIATOR-ENGAGEMENT CAP, SAID CAP BEING FORMED OF FLEXIBLE AND OF RESILIENT MATERIAL AND HAVING AN INTAKE OPENING SURROUNDED BY A RIM CAPABLE OF RESILIENTLY EXPANDING TO COVER A SELECTED AREA OF DESIRED CONFIGURATION; FASTENERS SPACED AROUND SAID RIM IN ORDER TO HOLD IT TIGHTLY AGAINST A SURFACE AREA; AND A FLEXIBLE DUCT EXTENDING FROM SAID FLEXIBLE CAP TO A POINT OF HEAT UTILIZATION.
Claim 2
Dependent Claim
114 words
A TEMPORARY, ACCESSORY, HEAT-CONDUCTING DEVICE ADAPTED TO TRANSFER HEAT FROM A RADIATOR OF A TRACTOR OR SIMILAR EQUIPMENT, WHICH HAS A FAN ARRANGED TO PROPEL AIR FORWARDLY THROUGH AND OUT THE FRONT OF THE RADIATOR TO AN OPERATOR''S COMPARTMENT, AND FOR RETAINING TRANSFERRED HEAT IN THE COMPARTMENT, SAID DEVICE COMPRISING: A RADIATOR-ENGAGEMENT CAP, SAID CAP BEING FORMED OF FLEXIBLE AND OF RESILIENT MATERIAL AND HAVING AN INTAKE OPENING SURROUNDED BY A RIM CAPABLE OF RESILIENTLY EXPANDING TO COVER A SELECTED AREA OF DESIRED CONFIGURATION; FASTENERS SPACED AROUND SAID RIM IN ORDER TO HOLD IT TIGHTLY AGAINST A SURFACE AREA; AND A FLEXIBLE DUCT EXTENDING FROM SAID FLEXIBLE CAP TO A POINT OF HEAT UTILIZATION.
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |