US2420693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulated radio pulse remote control system
Assignee: Individual
•
Filing: 1944-08-08
•
Granted: 1947-05-20
•
Expires: 1964-08-08
Abstract
No abstract record available.
Inventors
- 👤 Stanley B White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:21
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/0011; G05D3/00; G05D3/12; G05D3/14; G05D3/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2284509A
Cited
US1137222A
Cited
US1792937A
Cited
US1525431A
Cited
US1623121A
Cited
US1818708A
Cited
US1597416A
Cited
US1766524A
Cited
US2176469A
Cited
US2235768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-19 | 1950-11-18 | 1951-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-19 | 1954-11-18 | 1955-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-19 | 1958-11-18 | 1959-05-20 | $7700.00 | Window Closed / Lapsed |