US2805378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tap changing system
Assignee: General Electric Co
•
Filing: 1956-02-10
•
Granted: 1957-09-03
•
Expires: 1976-02-10
Abstract
No abstract record available.
Inventors
- 👤 Maurice L Blondet
- 👤 Jean G Bassiere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:40
CPC Classifications
B; B60; B60L; B60L9/00; B60L9/02; B60L9/08; B60L9/12; B60L2200/00; B60L2200/26
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) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |