US2556399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehiclar loading and unloading conveyer mechanism
Assignee: Individual
•
Filing: 1947-08-23
•
Granted: 1951-06-12
•
Expires: 1967-08-23
Abstract
No abstract record available.
Inventors
- 👤 Sanger John Joseph
- 👤 Henry G Poague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:09
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/055
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22843E
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US1601990A
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US1993451A
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US2021503A
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US2087846A
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US2301639A
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US2360661A
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US2379982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |