US2774935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductance assembly such as a transformer for the transmission of pulses
Assignee: Hartford National Bank and Trust Co
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Filing: 1953-05-29
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Granted: 1956-12-18
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Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
- 👤 Rademakers Adriaan
- 👤 Bruyning Hugo Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:21
CPC Classifications
H; H01; H01F; H01F19/00; H01F19/04; H01F19/08; H01F29/00; H01F29/14; H01F29/146; H01F7/00; H01F7/02; H01F7/0205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |