US2740109A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse generator
Assignee: Hazeltine Research Inc
•
Filing: 1946-12-19
•
Granted: 1956-03-27
•
Expires: 1966-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jasper J Okrent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
H; H04; H04J; H04J3/00; H02; H02K; H02K3/00; H03; H03K; H03K3/00; H03K3/02; H03K3/04; H03K3/16; H03K3/78; H03K3/80; H04N; H04N5/00; H04N5/04; H04N5/06; H04N5/067; H04N5/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2212173A
Cited
US2418521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |