US2356558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: Individual
•
Filing: 1940-06-18
•
Granted: 1944-08-22
•
Expires: 1960-06-18
Abstract
No abstract record available.
Inventors
- 👤 Bahring Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:33
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/42; H01F27/00; H01F27/28; H02; H02M; H02M3/00; H02M3/22; H02M3/24; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H01F5/00; H01F5/02; H01F2005/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-08-22 | 1948-02-21 | 1948-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-22 | 1952-02-21 | 1952-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-22 | 1956-02-21 | 1956-08-22 | $7700.00 | Window Closed / Lapsed |