US2536211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for generating alternating current
Assignee: Individual
•
Filing: 1946-01-28
•
Granted: 1951-01-02
•
Expires: 1966-01-28
Abstract
No abstract record available.
Inventors
- 👤 O'shei William Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:03
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/1438; B; B60; B60L; B60L50/00; B60L50/10; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y02T10/7072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1279392A
Cited
US1439483A
Cited
US1957016A
Cited
US1921719A
Cited
US1981738A
Cited
US2117019A
Cited
US2319835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |