Patent US3411044A successfully refreshed from Google Patents.
US3411044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current pulse circuit
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1964-04-27
•
Granted: 1968-11-12
•
Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Langhein Walter
- 👤 Zorkoczy Andreas Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:37
CPC Classifications
G; G21; G21B; G21B1/00; G21B1/11; G21B1/23; H; H01; H01T; H01T1/00; H02; H02N; H02N11/00; H02N11/002; H02N11/004; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H05; H05H; H05H1/00; H05H1/02; Y; Y02; Y02E; Y02E30/00; Y02E30/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |