US2516600A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snow sweeper railway car
Assignee: O F JORDAN CO
•
Filing: 1949-04-16
•
Granted: 1950-07-25
•
Expires: 1969-04-16
Abstract
No abstract record available.
Inventors
- 👤 Calvin W Shipley
- 👤 Herman C Van Eck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:37
CPC Classifications
E; E01; E01H; E01H8/00; E01H8/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US291675A
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US485348A
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US485528A
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US506786A
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US551209A
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US626039A
Cited
US1114695A
Cited
US1200234A
Cited
US1449259A
Cited
US1665733A
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US2243906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |