US2552172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for relaying information indicative of the position of an object
Assignee: The General Electric Company PLC
•
Filing: 1945-02-09
•
Granted: 1951-05-08
•
Expires: 1965-02-09
Abstract
No abstract record available.
Inventors
- 👤 Hawes Douglas Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:17
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2412669A
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US2412670A
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US2422361A
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US2421747A
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US2403562A
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US2415981A
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US2422295A
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US2415359A
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US2405930A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |