US2430224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for moistureproofing electrical devices
Assignee: Stromberg Carlson Corp
•
Filing: 1945-06-29
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Granted: 1947-11-04
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Expires: 1965-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Green
- 👤 Jr Frederick P Ciambrone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:19
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/12; H01F41/127; H01F27/00; H01F27/28; H01F27/32; H01F27/327
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784769A
Cited
US2065934A
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US2030524A
Cited
US2187260A
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US2213902A
Cited
US2337998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |