US3196322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic actuator and method of making same
Assignee: Acme Machine Works Inc
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Filing: 1963-08-05
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Granted: 1965-07-20
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Expires: 1983-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jay A Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AN ELECTROMAGNETIC ACTUATOR FOR OPERATION BY 320480 CYCLE A.C. CURRENT WITHOUT RECTIFICATION, HAVING: A BOBBIN; A COIL EMBRACING THE BOBBIN; A CORE STRUCTURE COMPRISING LAMINATED END WASHERS AT THE TWO ENDS RESPECTIVELY OF THE BOBBIN AND A LAMINATED SPIRALLY WOUND JACKET SURROUNDING THE COIL AND THE BOBBIN; AN ARMATURE INSIDE THE BOBBIN OF SPIRALLY WOUND LAMINATED CONSTRUCTION, SAID CORE STRUCTURE AND ARMATURE BEING MADE OF GRAINORIENTED ALLOY HAVING AN INDUCTION SATURATION POINT SUBSTANTIALLY ABOVE 20,000 GAUSS, THE LAMINATIONS OF THE ALLOY BEING OF A THICKNESS ON THE ORDER OF 0.003 INCH TO 0.005 INCH; AND A CASING ENCLOSING THE CORE STRUCTURE AND CONFINING THE CORE STRUCTURE UNDER PRESSURE AGAINST THE BOBBIN.
Claim 2
Dependent Claim
111 words
AN ELECTROMAGNETIC ACTUATOR FOR OPERATION BY 320480 CYCLE A.C. CURRENT WITHOUT RECTIFICATION, HAVING: A BOBBIN; A COIL EMBRACING THE BOBBIN; A CORE STRUCTURE COMPRISING LAMINATED END WASHERS AT THE TWO ENDS RESPECTIVELY OF THE BOBBIN AND A LAMINATED SPIRALLY WOUND JACKET SURROUNDING THE COIL AND THE BOBBIN; AN ARMATURE INSIDE THE BOBBIN OF SPIRALLY WOUND LAMINATED CONSTRUCTION, SAID CORE STRUCTURE AND ARMATURE BEING MADE OF GRAINORIENTED ALLOY HAVING AN INDUCTION SATURATION POINT SUBSTANTIALLY ABOVE 20,000 GAUSS, THE LAMINATIONS OF THE ALLOY BEING OF A THICKNESS ON THE ORDER OF 0.003 INCH TO 0.005 INCH; AND A CASING ENCLOSING THE CORE STRUCTURE AND CONFINING THE CORE STRUCTURE UNDER PRESSURE AGAINST THE BOBBIN.
References Cited (Backward Citations)
US3050663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |