US2525351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual wheel handling apparatus
Assignee: Individual
•
Filing: 1947-12-01
•
Granted: 1950-10-10
•
Expires: 1967-12-01
Abstract
No abstract record available.
Inventors
- 👤 Fred W Hennings
- 👤 Lester L Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:26
CPC Classifications
B; B60; B60B; B60B29/00; B60B29/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US160821A
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US637044A
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US781427A
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US1249305A
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US1361889A
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US1753327A
Cited
US2042265A
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US2019949A
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US2178693A
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US2231560A
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US2483817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |