US2100191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic drive
Assignee: Doosan Bobcat North America Inc
•
Filing: 1934-08-02
•
Granted: 1937-11-23
•
Expires: 1954-08-02
Abstract
No abstract record available.
Inventors
- 👤 Lapsley Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:51
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/64; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1940-11-22 | 1941-05-24 | 1941-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-22 | 1945-05-24 | 1945-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-22 | 1949-05-24 | 1949-11-23 | $7700.00 | Window Closed / Lapsed |