Patent US3249067A successfully refreshed from Google Patents.
US3249067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible railway-highway vehicle
Assignee: KALAMAZOO Manufacturing Co
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Filing: 1962-10-17
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Granted: 1966-05-03
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:06
CPC Classifications
B; B60; B60F; B60F1/00; B60F1/005; E; E01; E01B; E01B27/00; E01B27/02; E01B27/023; E01B27/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A COMBINED ROAD-RAIL VEHICLE HAVING A VEHICLE FRAME WITH ROADWAY ENGAGING WHEELS SPRINGABLY CONNECTED THERETO, AND FLANGED RAIL ENGAGING WHEELS VERTICALLY ADJUSTABLY MOUNTED THEREON, MEANS FOR MOUNTING EACH OF SAID FLANGED WHEELS COMPRISING, A SUB-FRAME MEMBER SECURED TO SAID VEHICLE FRAME AND HAVING AN UPRIGHT SLIDEWAY FORMED THEREIN, A POST SLIDABLY GUIDED AND LATERALLY SUPPORTED IN TWO ANGULARLY DISPLACED PLANES BY SAID SLIDEWAY, AN AXLE FOR SAID FLANGED WHEEL RIGIDLY SECURED TO THE LOWER PORTION OF SAID POST AND PROJECTING LATERALLY THEREFROM, A FLUID PRESSURE OPERATED CYLINDER HAVING AN EXTENSIBLE PISTON ROD AND HAVING SAID CYLINDER AND SAID PISTON ROD CONNECTED IN EXTENSIBLE RELATION BETWEEN SAID SUB-FRAME MEMBER AND SAID AXLE IN GENERALLY PARALLEL RELATION TO SAID SLIDE AND SLIDEWAY, SAID SLIDE CONSTITUTING THE SOLE LATERAL SUPPORT FOR SAID POST, A THRUST SUPPORT MEMBER PIVOTALLY MOUNTED ON AID SUB-FRAME MEMBER AND HAVING A SWINGING END SWINGABLE INTO AND OUT OR DOWN-
Claim 2
Dependent Claim
152 words
IN A COMBINED ROAD-RAIL VEHICLE HAVING A VEHICLE FRAME WITH ROADWAY ENGAGING WHEELS SPRINGABLY CONNECTED THERETO, AND FLANGED RAIL ENGAGING WHEELS VERTICALLY ADJUSTABLY MOUNTED THEREON, MEANS FOR MOUNTING EACH OF SAID FLANGED WHEELS COMPRISING, A SUB-FRAME MEMBER SECURED TO SAID VEHICLE FRAME AND HAVING AN UPRIGHT SLIDEWAY FORMED THEREIN, A POST SLIDABLY GUIDED AND LATERALLY SUPPORTED IN TWO ANGULARLY DISPLACED PLANES BY SAID SLIDEWAY, AN AXLE FOR SAID FLANGED WHEEL RIGIDLY SECURED TO THE LOWER PORTION OF SAID POST AND PROJECTING LATERALLY THEREFROM, A FLUID PRESSURE OPERATED CYLINDER HAVING AN EXTENSIBLE PISTON ROD AND HAVING SAID CYLINDER AND SAID PISTON ROD CONNECTED IN EXTENSIBLE RELATION BETWEEN SAID SUB-FRAME MEMBER AND SAID AXLE IN GENERALLY PARALLEL RELATION TO SAID SLIDE AND SLIDEWAY, SAID SLIDE CONSTITUTING THE SOLE LATERAL SUPPORT FOR SAID POST, A THRUST SUPPORT MEMBER PIVOTALLY MOUNTED ON AID SUB-FRAME MEMBER AND HAVING A SWINGING END SWINGABLE INTO AND OUT OR DOWN-
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |