US2482564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Guide wheel suspension for roadrail vehicles
Assignee: Individual
•
Filing: 1945-07-14
•
Granted: 1949-09-20
•
Expires: 1965-07-14
Abstract
No abstract record available.
Inventors
- 👤 Roy C Townsend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:54
CPC Classifications
B; B60; B60F; B60F1/00; B60F1/04; B60F1/046
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US455842A
Cited
GB190623661A
Cited
US1446784A
Cited
GB326164A
Cited
US1801469A
Cited
US2006781A
Cited
US2002901A
Cited
US2043703A
Cited
US2016626A
Cited
US2140421A
Cited
US2116797A
Cited
US2204087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |