US2535945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry electrolytic condenser
Assignee: AMERICAN CONDENSER Co
•
Filing: 1946-04-10
•
Granted: 1950-12-26
•
Expires: 1966-04-10
Abstract
No abstract record available.
Inventors
- 👤 Irving J Menschik
- 👤 Horace C Kreinick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:31
CPC Classifications
H; H01; H01G; H01G9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1836707A
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US1744302A
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US2146029A
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US2130073A
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US2220887A
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US2209871A
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US2267717A
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US2285136A
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US2307561A
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US2234042A
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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) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |