US2569268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase sensitive measuring and controlling apparatus
Assignee: Honeywell Inc
•
Filing: 1947-08-13
•
Granted: 1951-09-25
•
Expires: 1967-08-13
Abstract
No abstract record available.
Inventors
- 👤 Rudolf F Wild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:23
CPC Classifications
G; G01; G01R; G01R25/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2256487A
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US2183725A
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US2424568A
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US2436807A
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US2433195A
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US2379689A
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US2476496A
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US2438288A
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US2462630A
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US2476849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |