US2238838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile or motor vehicle robot
Assignee: Individual
•
Filing: 1939-07-05
•
Granted: 1941-04-15
•
Expires: 1959-07-05
Abstract
No abstract record available.
Inventors
- 👤 Warren Arlie Dee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:29
CPC Classifications
B; B60; B60K; B60K31/00; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1007; Y10T137/108; Y10T137/6851; Y10T137/6855; Y10T137/6881
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) | 1944-04-14 | 1944-10-14 | 1945-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-04-14 | 1948-10-14 | 1949-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-04-14 | 1952-10-14 | 1953-04-15 | $7700.00 | Window Closed / Lapsed |