US2760110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit-arrangement for producing sawtooth current across a coil
Assignee: Hartford National Bank and Trust Co
•
Filing: 1952-07-22
•
Granted: 1956-08-21
•
Expires: 1972-07-22
Abstract
No abstract record available.
Inventors
- 👤 Janssen Peter Johanne Hubertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:36
CPC Classifications
H; H03; H03K; H03K4/00; H03K4/06; H03K4/08; H03K4/10; H03K4/26; H03K4/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2262630A
Cited
US2284378A
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US2590836A
Cited
US2449969A
Cited
US2459187A
Cited
US2589299A
Cited
US2627052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |