US3333550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rail apparatus
Assignee: GORHAM UNIVERSAL Manufacturing Co I
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Filing: 1965-05-24
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Granted: 1967-08-01
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Harold F Gorham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:27
CPC Classifications
B; B61; B61C; B61C11/00; B61C11/06; B60; B60F; B60F1/00; B60F1/02; B60V; B60V3/00; B60V3/02; B60V3/04; B61B; B61B12/00; B61B12/12; B61B13/00; B61B13/08; B61B5/00; B61B5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN COMBINATION: (A) RAIL MEANS FORMING UPWARDLY FACING SURFACES AND A DOWNWARDLY FACING SURFACE, SAID UPWARDLY FACING SURFACES INCLUDING A CENTRALLY DISPOSED RAIL AND SURFACES ANGLING OUTWARDLY AND DOWNWARDLY FROM OPPOSITE SIDES OF THE RAIL; (B) A LOCOMOTOR HAVING: (1) WHEELS ABOVE THE UPWARDLY FACING SURFACE OF THE RAIL FOR SUPPORTING THE LOCOMOTOR, (2) MEAND BELOW THE DOWNWARDLY FACING SURFACE FOR LIMITING UPWARD MOVEMENT OF THE LOCOMOTOR; (C) A PLURALITY OF NOZZLES CARRIED BY THE LOCOMOTOR AND DIRECTED TO SIMULTANEOUSLY DIRECT AIR ONTO BOTH THE OUTWARDLY AND DOWNWARDLY ANGLING SURFACES OF THE RAIL MEANS FOR RAISING THE WHEELS ABOVE THE RAIL; (D) AND AN AIR COMPRESSOR CARRIED BY THE LOCOMOTOR FOR SUPPLYING AIR TO THE NOZZLES.
Claim 2
Dependent Claim
116 words
IN COMBINATION: (A) RAIL MEANS FORMING UPWARDLY FACING SURFACES AND A DOWNWARDLY FACING SURFACE, SAID UPWARDLY FACING SURFACES INCLUDING A CENTRALLY DISPOSED RAIL AND SURFACES ANGLING OUTWARDLY AND DOWNWARDLY FROM OPPOSITE SIDES OF THE RAIL; (B) A LOCOMOTOR HAVING: (1) WHEELS ABOVE THE UPWARDLY FACING SURFACE OF THE RAIL FOR SUPPORTING THE LOCOMOTOR, (2) MEAND BELOW THE DOWNWARDLY FACING SURFACE FOR LIMITING UPWARD MOVEMENT OF THE LOCOMOTOR; (C) A PLURALITY OF NOZZLES CARRIED BY THE LOCOMOTOR AND DIRECTED TO SIMULTANEOUSLY DIRECT AIR ONTO BOTH THE OUTWARDLY AND DOWNWARDLY ANGLING SURFACES OF THE RAIL MEANS FOR RAISING THE WHEELS ABOVE THE RAIL; (D) AND AN AIR COMPRESSOR CARRIED BY THE LOCOMOTOR FOR SUPPLYING AIR TO THE NOZZLES.
References Cited (Backward Citations)
US695137A
Cited
US1748514A
Cited
US3055312A
Cited
US3190235A
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US3168875A
Cited
US3233559A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |