US2697491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand lift truck
Assignee: Doosan Bobcat North America Inc
•
Filing: 1950-11-13
•
Granted: 1954-12-21
•
Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Robert E Burrus
- 👤 Morris R Elliott
- 👤 George L Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:24
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/04; B62B3/06; B62B3/0612; B62B3/0625; B62B5/00; B62B5/06; B62B5/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399605A
Cited
US2422538A
Cited
US2443480A
Cited
US2461188A
Cited
US2433235A
Cited
US2513718A
Cited
US2550548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |