Patent US2281395A successfully refreshed from Google Patents.
US3229170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary solenoid
Assignee: Individual
•
Filing: 1963-08-01
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Granted: 1966-01-11
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Daugherty
- 👤 Traver J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:17
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/14; H01F7/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A ROTARY SOLENOID THE COMBINATION OF A CORE OF MAGNETIC MATERIAL, A COIL POSITIONED ON SAID CORE FOR SETTING UP A MAGENTIC FIELD IN SAID CORE, A ROTATABLE ARMATURE, MEANS SUPPORTING SAID ARMATURE ON SAID CORE AND NON-MAGNETIC MEANS OF A TOUGH PLASTIC SOUND DEADENING MATERIAL LIMITING THE ROTATION OF SAID ARMATURE, SAID NONMAGNETIC MEANS HAVING RELIEFS FORMED IN SURFACES THEREOF ADJACENT TO SURFACES THEREOF THAT ARE ENGAGED BY SAID ARMATURE SO THAT SAID NON-MAGNETIC MEANS DOES NOT HAVE PARTS THEREOF EXTENDED THEREFROM SUCH AS WILL INTERFERE WITH THE OPERATION OF SAID ARMATURE.
Claim 2
Dependent Claim
94 words
IN A ROTARY SOLENOID THE COMBINATION OF A CORE OF MAGNETIC MATERIAL, A COIL POSITIONED ON SAID CORE FOR SETTING UP A MAGENTIC FIELD IN SAID CORE, A ROTATABLE ARMATURE, MEANS SUPPORTING SAID ARMATURE ON SAID CORE AND NON-MAGNETIC MEANS OF A TOUGH PLASTIC SOUND DEADENING MATERIAL LIMITING THE ROTATION OF SAID ARMATURE, SAID NONMAGNETIC MEANS HAVING RELIEFS FORMED IN SURFACES THEREOF ADJACENT TO SURFACES THEREOF THAT ARE ENGAGED BY SAID ARMATURE SO THAT SAID NON-MAGNETIC MEANS DOES NOT HAVE PARTS THEREOF EXTENDED THEREFROM SUCH AS WILL INTERFERE WITH THE OPERATION OF SAID ARMATURE.
References Cited (Backward Citations)
US2863103A
Cited
US3039027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |