US2609950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck
Assignee: Individual
•
Filing: 1948-07-10
•
Granted: 1952-09-09
•
Expires: 1968-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas B Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US771804A
Cited
US1012139A
Cited
US1155235A
Cited
US1431630A
Cited
US2301579A
Cited
US2418522A
Cited
US2506471A
Cited
US2514825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |