US2784004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck with foldable platform thereon
Assignee: Individual
•
Filing: 1954-01-14
•
Granted: 1957-03-05
•
Expires: 1974-01-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard Hamrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:46
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/12; B62B2205/00; B62B2205/30; B62B2205/32; B62B2205/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1460266A
Cited
US1718962A
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US1948206A
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US1956261A
Cited
US2212053A
Cited
US2363619A
Cited
US2430107A
Cited
US2483899A
Cited
US2479467A
Cited
US2607606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-04 | 1960-09-03 | 1961-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-04 | 1964-09-03 | 1965-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-04 | 1968-09-03 | 1969-03-05 | $7700.00 | Window Closed / Lapsed |