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Patent US2549900A successfully refreshed from Google Patents.
US2549900A
Expired / Lapsed
US
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Dump body lift
Assignee: Individual
•
Filing: 1948-03-25
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Granted: 1951-04-24
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Expires: 1968-03-25
Abstract
No abstract record available.
Inventors
- 👤 Frenzel Wilbur George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:18
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/04; B60P1/06; B60P1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US463254A
Cited
US1000622A
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US1237323A
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US1552281A
Cited
US2140421A
Cited
US2034306A
Cited
US2312871A
Cited
US2425953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |