US2635775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grasp device for hand trucks
Assignee: Individual
•
Filing: 1949-03-09
•
Granted: 1953-04-21
•
Expires: 1969-03-09
Abstract
No abstract record available.
Inventors
- 👤 Charles F Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/104; B62B2203/00; B62B2203/10; B62B2203/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |