US2464853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor
Assignee: Individual
•
Filing: 1947-03-12
•
Granted: 1949-03-22
•
Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Marco Louis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:28
CPC Classifications
G; G05; G05D; G05D13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US57953A
Cited
US443064A
Cited
GB190609149A
Cited
US1104704A
Cited
US1295199A
Cited
US1630637A
Cited
US1671756A
Cited
US2177063A
Cited
US2247492A
Cited
US2267919A
Cited
US2379945A
Cited
US2454913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |