US2686982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Road working machine
Assignee: Allis Chalmers Corp
•
Filing: 1950-02-25
•
Granted: 1954-08-24
•
Expires: 1970-02-25
Abstract
No abstract record available.
Inventors
- 👤 Chester P Leliter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/76; E02F3/7636; E02F3/7604
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US823872A
Cited
US1829728A
Cited
US2085944A
Cited
US2287438A
Cited
US2488016A
Cited
US2475710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |