US2532974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation system
Assignee: Bendix Aviation Corp
•
Filing: 1944-10-31
•
Granted: 1950-12-05
•
Expires: 1964-10-31
Abstract
No abstract record available.
Inventors
- 👤 Louis A Warner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:11
CPC Classifications
G; G01; G01C; G01C17/00; G01C17/36; G01S; G01S1/00; G01S1/02; Y; Y10; Y10S; Y10S116/00; Y10S116/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE305438C
Cited
USRE21419E
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FR13769E
Cited
US1175979A
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US2240680A
Cited
US2210435A
Cited
US2323337A
Cited
US2321606A
Cited
US2334116A
Cited
US2359691A
Cited
US2413214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |