Patent US2778694A successfully refreshed from Google Patents.
US2778694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile swinging lift platform equipment
Assignee: MITCHELL MAINTENANCE Co I
•
Filing: 1952-08-15
•
Granted: 1957-01-22
•
Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Maurice E Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:52
CPC Classifications
B; B66; B66F; B66F11/00; B66F11/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE470163C
Cited
US1412159A
Cited
US1638611A
Cited
US1736419A
Cited
US1664613A
Cited
US1685144A
Cited
US2196511A
Cited
US2614893A
Cited
US2601092A
Cited
US2672319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |