US2831545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swingable wheel mounting
Assignee: Individual
•
Filing: 1954-12-31
•
Granted: 1958-04-22
•
Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Frank P Christiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:08
CPC Classifications
B; B60; B60G; B60G3/00; F; F16; F16D; F16D3/00; F16D3/02; F16D3/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1069334A
Cited
US1242682A
Cited
US2105823A
Cited
US2122308A
Cited
US2352446A
Cited
US2554261A
Cited
US2552987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |