US2419912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Auxiliary powered vehicle construction
Assignee: Doosan Bobcat North America Inc
•
Filing: 1940-08-26
•
Granted: 1947-04-29
•
Expires: 1960-08-26
Abstract
No abstract record available.
Inventors
- 👤 Donald D Ormsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
B; B60; B60K; B60K5/00; B60K5/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1908088A
Cited
US2343265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |