US2929338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway vehicle truck structure
Assignee: General Steel Castings Corp
•
Filing: 1955-10-03
•
Granted: 1960-03-22
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Richard L Lich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:17
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US553298A
Cited
US1399709A
Cited
US1772328A
Cited
US1821296A
Cited
US1763434A
Cited
US2330994A
Cited
US2333059A
Cited
US2448768A
Cited
US2741996A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |