Patent US3179859A successfully refreshed from Google Patents.
US3179859A
Expired / Lapsed
US
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Means and techniques for silencing solenoid-operated devices
Assignee: TDK Micronas GmbH
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Filing: 1961-07-17
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Granted: 1965-04-20
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 William A Ray
- 👤 Laurence C Biggle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:05
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1638; H01F7/088; H01F7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A SOUND-DEADENED SOLENOID COMPRISING A MAGNETIC STRUCTURE; AN ARMATURE ATTRACTED BY SAID STRUCTURE; STOP MEANS ENGAGED BY SAID ARMATURE WHEN SAID MAGNETIC STRUCTURE IS ENERGIZED AND PRODUCTING NOISE UPON ENGAGEMENT BETWEEN THE ARMATURE AND STOP MEANS; A COVER MEMBER SURROUNDING SAID STRUCTURE; AND SOUND-DEADENING MATERIAL INTERPOSED BETWEEN SAID STOP MEANS AND SAID COVER MEMBER AND SUBSTANTIALLY PREVENTING THE TRANSFER OF SAID NOISE FROM SAID STOP MEANS TO SAID COVER, SAID COVER MEMBER COMPRISING AN OUTER COVER MEMBER; A SECOND INNER COVER MEMBER INSIDE OF SAID OUTER COVER MEMBER; SAID INNER COVER MEMBER ALSO SURROUNDING SAID MAGNETIC STRUCTURE AND SAID STOP MEANS; AND SAID SOUND-ABSORBING MATERIAL BEING DISPOSED BETWEEN SAID INNER AND OUTER COVER MEMBER.
Claim 2
Dependent Claim
114 words
A SOUND-DEADENED SOLENOID COMPRISING A MAGNETIC STRUCTURE; AN ARMATURE ATTRACTED BY SAID STRUCTURE; STOP MEANS ENGAGED BY SAID ARMATURE WHEN SAID MAGNETIC STRUCTURE IS ENERGIZED AND PRODUCTING NOISE UPON ENGAGEMENT BETWEEN THE ARMATURE AND STOP MEANS; A COVER MEMBER SURROUNDING SAID STRUCTURE; AND SOUND-DEADENING MATERIAL INTERPOSED BETWEEN SAID STOP MEANS AND SAID COVER MEMBER AND SUBSTANTIALLY PREVENTING THE TRANSFER OF SAID NOISE FROM SAID STOP MEANS TO SAID COVER, SAID COVER MEMBER COMPRISING AN OUTER COVER MEMBER; A SECOND INNER COVER MEMBER INSIDE OF SAID OUTER COVER MEMBER; SAID INNER COVER MEMBER ALSO SURROUNDING SAID MAGNETIC STRUCTURE AND SAID STOP MEANS; AND SAID SOUND-ABSORBING MATERIAL BEING DISPOSED BETWEEN SAID INNER AND OUTER COVER MEMBER.
References Cited (Backward Citations)
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US2313379A
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US2267411A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |