Patent US2811058A successfully refreshed from Google Patents.
US2811058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece handling device
Assignee: Motors Liquidation Co
•
Filing: 1952-10-18
•
Granted: 1957-10-29
•
Expires: 1972-10-18
Abstract
No abstract record available.
Inventors
- 👤 William A Fletcher
- 👤 Max E Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:14
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/14; B21D43/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US222933A
Cited
US230638A
Cited
US1073607A
Cited
US1856290A
Cited
DE600280C
Cited
DE607929C
Cited
US2059379A
Cited
US2217333A
Cited
US2327849A
Cited
US2350425A
Cited
US2372706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |