US2612629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Current interrupter
Assignee: General Electric Co
•
Filing: 1951-04-17
•
Granted: 1952-09-30
•
Expires: 1971-04-17
Abstract
No abstract record available.
Inventors
- 👤 Ernst F W Alexanderson
- 👤 Albert H Mittag
- 👤 Robert W Kuenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:28
CPC Classifications
H; H02; H02M; H02M1/00; H02M1/06; H02M1/065; B; B23; B23K; B23K11/00; B23K11/24; B23K11/26
Claims Analysis
Total Claims: 0
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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) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |