US2869886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck
Assignee: Individual
•
Filing: 1957-01-25
•
Granted: 1959-01-20
•
Expires: 1977-01-25
Abstract
No abstract record available.
Inventors
- 👤 Ross D Wardell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:39
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US757068A
Cited
US1150964A
Cited
US1460266A
Cited
DE417311C
Cited
FR790938A
Cited
US2514972A
Cited
US2678150A
Cited
US2721086A
Cited
GB749545A
Cited
US2818988A
Cited
US2814402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |