US2620742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck
Assignee: ThyssenKrupp Budd Co
•
Filing: 1947-04-24
•
Granted: 1952-12-09
•
Expires: 1967-04-24
Abstract
No abstract record available.
Inventors
- 👤 Watter Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
B; B61; B61F; B61F3/00; B61F3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608983A
Cited
US738840A
Cited
US1265374A
Cited
US1512599A
Cited
US1542868A
Cited
US2268267A
Cited
US2258663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |