US3052484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Utility carts with multiple pivoted load supports
Assignee: Union Steel Products Co
•
Filing: 1960-07-11
•
Granted: 1962-09-04
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Levi D Huffman
- 👤 Linwood L Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:54
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1638805A
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US1428180A
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US2212053A
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US2633249A
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US2676026A
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GB720993A
Cited
US2818955A
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US2792233A
Cited
US2786692A
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US2798651A
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US2921694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |