US2516082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway truck
Assignee: Individual
•
Filing: 1947-07-26
•
Granted: 1950-07-18
•
Expires: 1967-07-26
Abstract
No abstract record available.
Inventors
- 👤 Robert H Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:39
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1329993A
Cited
GB155904A
Cited
US1501382A
Cited
US1682786A
Cited
US2309265A
Cited
US2237319A
Cited
US2347500A
Cited
US2379005A
Cited
US2424625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-17 | 1954-01-16 | 1954-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-17 | 1958-01-16 | 1958-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-17 | 1962-01-16 | 1962-07-18 | $7700.00 | Window Closed / Lapsed |