US2707271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical coupling apparatus
Assignee: TDK Micronas GmbH
•
Filing: 1947-01-15
•
Granted: 1955-04-26
•
Expires: 1967-01-15
Abstract
No abstract record available.
Inventors
- 👤 Ben V Thompson
- 👤 Emil W Deiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:48
CPC Classifications
H; H03; H03H; H03H2/00; H03H2/005; H03H2/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2312827A
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US2142630A
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US2194696A
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US2373233A
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US2336555A
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US2404745A
Cited
US2397543A
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US2391917A
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US2554295A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |