US3345890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for treating wheels of railroad vehicles
Assignee: Hegenscheidt MFD GmbH and Co KG
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Filing: 1966-02-07
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Granted: 1967-10-10
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Dombrowski Theodor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:14
CPC Classifications
B; B23; B23B; B23B5/00; B23B5/28; B23B5/32; Y; Y10; Y10T; Y10T82/00; Y10T82/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PIT-MOUNTED MACHINE FOR TREATING THE WHEELS OF WHEEL ASSEMBLIES ON RAILROAD VEHICLES, COMPRISING A PAIR OF SUPPORTS, ONE FOR EACH WHEEL OF A WHEEL ASSEMBLY; TWO SETS OF DRIVING ROLLERS EACH MOUNTED ON ONE OF SAID SUPPORTS; FIRST DISPLACING MEANS FOR MOVING SAID SUPPORTS UP AND DOWN SO THAT THE ROLLERS MAY ENGAGE THE RESPECTIVE WHEELS FROM BELOW WHEN THE SUPPORTS ARE MOVED UPWARDLY; A PAIR OF GROUND-SUPPORTED CLAMPING UNITS, ONE
Claim 2
Dependent Claim
72 words
A PIT-MOUNTED MACHINE FOR TREATING THE WHEELS OF WHEEL ASSEMBLIES ON RAILROAD VEHICLES, COMPRISING A PAIR OF SUPPORTS, ONE FOR EACH WHEEL OF A WHEEL ASSEMBLY; TWO SETS OF DRIVING ROLLERS EACH MOUNTED ON ONE OF SAID SUPPORTS; FIRST DISPLACING MEANS FOR MOVING SAID SUPPORTS UP AND DOWN SO THAT THE ROLLERS MAY ENGAGE THE RESPECTIVE WHEELS FROM BELOW WHEN THE SUPPORTS ARE MOVED UPWARDLY; A PAIR OF GROUND-SUPPORTED CLAMPING UNITS, ONE
References Cited (Backward Citations)
US3323397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |