Patent US2837845A successfully refreshed from Google Patents.
US2837845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tilting device for bulldozer blade
Assignee: Motors Liquidation Co
•
Filing: 1954-02-02
•
Granted: 1958-06-10
•
Expires: 1974-02-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur P Armington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:03
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7609
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2185179A
Cited
US2126791A
Cited
US2238346A
Cited
US2477994A
Cited
US2630638A
Cited
US2485407A
Cited
US2522583A
Cited
US2585085A
Cited
US2678508A
Cited
US2650628A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |