US2993299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remotely controlled trackless vehicle
Assignee: Individual
•
Filing: 1958-01-23
•
Granted: 1961-07-25
•
Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Alexander L M Dingee
- 👤 Thorn W Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:23
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/16; A63H18/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL81566C
Cited
US1497382A
Cited
US1778465A
Cited
US1856991A
Cited
US2537281A
Cited
US2687304A
Cited
US2768697A
Cited
US2754432A
Cited
US2812617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |