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Patent US2529200A successfully refreshed from Google Patents.
US2529200A
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Material handling machine
Assignee: Unit Crane & Shovel Corp
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Filing: 1945-05-14
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Granted: 1950-11-07
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Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Hilbert E Swanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:23
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/52; B66C13/54; E; E02; E02F; E02F9/00; E02F9/16; E02F9/163
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US782034A
Cited
US833748A
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US2174530A
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US2236451A
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US2258478A
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US2295769A
Cited
US2383172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |