Patent US2811058A successfully refreshed from Google Patents.
US2811058A
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US
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Workpiece handling device
Assignee: Motors Liquidation Co
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Filing: 1952-10-18
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Granted: 1957-10-29
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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 15:05
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/14; B21D43/027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US230638A
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US1073607A
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US1856290A
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DE600280C
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DE607929C
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US2059379A
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US2217333A
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US2327849A
Cited
US2350425A
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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 |