US2677798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical supply system for operating loads
Assignee: Individual
•
Filing: 1950-10-09
•
Granted: 1954-05-04
•
Expires: 1970-10-09
Abstract
No abstract record available.
Inventors
- 👤 Bekey Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:07
CPC Classifications
H; H02; H02J; H02J9/00; H02J9/04; H02J9/06; H02H; H02H11/00; H02P; H02P4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2062274A
Cited
US2157417A
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US2157640A
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US2203907A
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US2273709A
Cited
US2225335A
Cited
US2264886A
Cited
US2199600A
Cited
US2342503A
Cited
US2501681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |