Patent US2832041A successfully refreshed from Google Patents.
US2832041A
Expired / Lapsed
US
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Automatic system for degaussing control
Assignee: Individual
•
Filing: 1952-12-31
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Granted: 1958-04-22
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Expires: 1972-12-31
Abstract
No abstract record available.
Inventors
- 👤 Trachtenberg Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
B; B63; B63G; B63G9/00; B63G9/06; F; F42; F42C; F42C13/00; F42C13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1360326A
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US2016977A
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US2388070A
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US2412617A
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US2468554A
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US2421583A
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US2491736A
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US2520677A
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US2727206A
Cited
US2620381A
Cited
US2519395A
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US2755434A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |