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US2752500A
Expired / Lapsed
US
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Pulse generator
Assignee: Hartford National Bank and Trust Co
•
Filing: 1953-12-14
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Granted: 1956-06-26
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Expires: 1973-12-14
Abstract
No abstract record available.
Inventors
- 👤 Bruyning Hugo Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:09
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78; G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282; H03K3/02; H03K3/53; H03K3/55
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2633536A
Cited
US2555305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |