US2472670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck
Assignee: Individual
•
Filing: 1946-03-28
•
Granted: 1949-06-07
•
Expires: 1966-03-28
Abstract
No abstract record available.
Inventors
- 👤 Mcfarland James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:23
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/26; B62B1/264; B62B2202/00; B62B2202/02; B62B2202/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US448359A
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US773027A
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US1102872A
Cited
US1430698A
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CH82682A
Cited
US1358881A
Cited
US1517901A
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GB365207A
Cited
US2028976A
Cited
GB497328A
Cited
US2335579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |