US2460982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extruded frame member
Assignee: Standard Railway Equipment Manufacturing Co
•
Filing: 1944-08-12
•
Granted: 1949-02-08
•
Expires: 1964-08-12
Abstract
No abstract record available.
Inventors
- 👤 Garth G Gilpin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/043; B61D17/041
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US431203A
Cited
US924005A
Cited
US1335104A
Cited
US2036555A
Cited
US2225170A
Cited
US2260512A
Cited
US2379604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |