US2592091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motorized hand truck
Assignee: Caterpillar Industrial Inc
•
Filing: 1948-08-11
•
Granted: 1952-04-08
•
Expires: 1968-08-11
Abstract
No abstract record available.
Inventors
- 👤 Elverton W Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:22
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B60; B60L; B60L50/00; B60L50/50; B60L50/60; B60L50/66; B60L2200/00; B60L2200/26; B60L2200/40; B60L2200/42; B62B3/0625; B62B5/00; B62B5/0026; B62B5/0033; B62B5/0053; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2114157A
Cited
US2234925A
Cited
US2450354A
Cited
US2327583A
Cited
US2325396A
Cited
US2399605A
Cited
US2395345A
Cited
US2417018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-08 | 1955-10-08 | 1956-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-08 | 1959-10-08 | 1960-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-08 | 1963-10-08 | 1964-04-08 | $7700.00 | Window Closed / Lapsed |