US2650834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck
Assignee: Individual
•
Filing: 1949-12-16
•
Granted: 1953-09-01
•
Expires: 1969-12-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Coval
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:47
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B1/264; B62B1/002; B62B2202/00; B62B2202/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR459900A
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US1250621A
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US1512454A
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US1513863A
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GB259274A
Cited
GB282214A
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GB545825A
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US2346649A
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GB601193A
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US2506471A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-31 | 1957-03-02 | 1957-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-31 | 1961-03-02 | 1961-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-31 | 1965-03-02 | 1965-09-01 | $7700.00 | Window Closed / Lapsed |