US3041506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control centers
Assignee: Federal Pacific Electric Co
•
Filing: 1958-10-28
•
Granted: 1962-06-26
•
Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Schlessel
- 👤 Hornstein Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
H; H02; H02G; H02G5/00; H02G5/06; H02B; H02B1/00; H02B1/20; H02B1/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955587A
Cited
US2441485A
Cited
US2542853A
Cited
US2645743A
Cited
US2733289A
Cited
US2719251A
Cited
US2782358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |