US3217211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control apparatus
Assignee: Federal Pacific Electric Co
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Filing: 1961-10-16
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Granted: 1965-11-09
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Expires: 1981-10-16
Abstract
No abstract record available.
Inventors
- 👤 Alexander R Norden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:59
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/26; H02B1/30; H02B1/32; H02B1/34; H02B1/36; H02G; H02G5/00; H02G5/06; H02G5/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
ELECTRICAL CONTROL APPARATUS INCLUDING AN ENCLOSURE AND A POWER BUS STRUCTURE THEREIN, A SEPARABLE ELECTRICAL CONTROL UNIT REMOVABLY RECEIVED IN SAID ENCLOSURE, A PLUG-IN ELEMENT IN SAID SEPARABLE CONTROL UNIT MOUNTED FOR MOVEMENT RELATIVE THERETO BETWEEN RETRACTED AND PROJECTED POSITIONS FOR ENGAGEMENT AND DISENGAGEMENT WITH SAID BUS STRUCTURE, COOPERATING MEANS IN SAID ENCLOSURE AND IN SAID SEPARABLE CONTROL UNIT FOR LOCKING SAID CONTROL UNIT IN SAID ENCLOSURE, AND COMMON ACTUATING MEANS IN SAID SEPARABLE CONTROL UNIT FOR OPERATING SAID LOCKING MEANS AND THEREBY LOCKING SAID CONTROL UNIT IN SAID ENCLOSURE AND THEREAFTER OPERATING SAID PLUG-IN ELEMENT INTO ITS PROJECTED POSITION IN ENGAGEMENT WITH SAID BUS STRUCTURE OF THE ENCLOSURE.
References Cited (Backward Citations)
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Cited
US2615101A
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US2777024A
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US2719251A
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US2921998A
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US3066244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |