US2587667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductively coupled compensator
Assignee: Individual
•
Filing: 1945-06-14
•
Granted: 1952-03-04
•
Expires: 1965-06-14
Abstract
No abstract record available.
Inventors
- 👤 Toth Emerick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:22
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H5/00; H03H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2001694A
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GB405175A
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US2159782A
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US2244807A
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US2341345A
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US2266670A
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US2404669A
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US2408895A
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US2384504A
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US2453489A
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US2422454A
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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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |