US1830797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Doosan Bobcat North America Inc
•
Filing: 1930-06-27
•
Granted: 1931-11-10
•
Expires: 1950-06-27
Abstract
No abstract record available.
Inventors
- 👤 Lapsley Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:43
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/38; F16H3/00; F16H3/02; F16H3/04; F16H61/00; F16H61/24; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/20085; Y10T74/20104; Y10T74/2014; Y10T74/20159
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) | 1934-11-09 | 1935-05-11 | 1935-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-11-09 | 1939-05-11 | 1939-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-11-09 | 1943-05-11 | 1943-11-10 | $7700.00 | Window Closed / Lapsed |