US2448216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-dumping wheelbarrow
Assignee: Individual
•
Filing: 1947-06-04
•
Granted: 1948-08-31
•
Expires: 1967-06-04
Abstract
No abstract record available.
Inventors
- 👤 John L Gokey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/18; B62B1/22; B62B5/00; B62B5/04; B62B5/0485
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |