US3043900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transformer
Assignee: Individual
•
Filing: 1959-06-30
•
Granted: 1962-07-10
•
Expires: 1979-06-30
Abstract
No abstract record available.
Inventors
- 👤 Reisinger Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:29
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/08; H01F27/10; H01F27/12; H01F27/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB705145A
Cited
US1227404A
Cited
US1933313A
Cited
CH194020A
Cited
DE914269C
Cited
GB578471A
Cited
GB635541A
Cited
US2826629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |