US2743429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic positioning device
Assignee: Electrocircuits Inc
•
Filing: 1950-10-14
•
Granted: 1956-04-24
•
Expires: 1970-10-14
Abstract
No abstract record available.
Inventors
- 👤 Donald C Erdman
- 👤 George B Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:16
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2268587A
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US2427029A
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US2421663A
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US2403527A
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US2499349A
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US2493774A
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US2476301A
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US2508384A
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US2464258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |