Patent US3555846A successfully refreshed from Google Patents.
US3555846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-conditioned vehicle cab
Assignee: STOLPER IND Inc
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Filing: 1968-12-13
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Granted: 1971-01-19
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Expires: 1988-12-13
Abstract
Abstract ALTERNATE ARRANGEMENTS ARE PROVIDED FOR INTRODUCING AIR FROM THE REAR OF A VEHICLE CAB, FILTERING SUCH AIR AT THE REAR OF THE CAB AND PASSING SUCH AIR FORWARDLY BETWEEN THE CAB ROOF AND CEILING, OR THROUGH A DUCT ALONG THE SIDES OF THE SPACE BETWEEN THE ROOF AND CEILING TOWARD AIRCONDITION MEANS OVER THE DRIVERS'' COMPARTMENT AT THE FRONT OF THE CAB. THE "AIR-CONDITIONING MEANS" COMPRISES ANY ARRANGEMENT FOR HEATING, COOLING OR VENTILATING OR PRESSURIZING THE CAB EITHER THROUGH DIRECT USE OF SUCH EXTERNAL AIR OR BY RECIRCULATING CAB AIR.
Inventors
- 👤 Charles L Harbeck
- 👤 Raymond N Sellon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:57
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00357; B60H1/00378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |