US3372355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid arrangement
Assignee: Felten and Guilleaume Carlswerk AG
•
Filing: 1966-07-11
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Granted: 1968-03-05
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Expires: 1986-07-11
Abstract
No abstract record available.
Inventors
- 👤 Zielasko Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:31
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A POLARIZED MAGNETIC ARRANGEMENT COMPRISING, IN COMBINATION, AN ELECTROMAGNETIC SOLENOID UNIT COMPOSED OF A BASE, TWO SPACED POLE PIECES INTEGRAL AT ONE END THEREOF WITH SAID BASE AND HAVING FREE ENDS AND SECONDARY POLE PORTIONS ON SAID BASE INTEGRAL THEREWITH AND ARRANGED SPACED FROM EACH OTHER; A PERMANENT MAGNET MOUNTED ON SAID ELECTROMAGNETIC SOLENOID UNIT IN PERMANENT CONTACT WITH SAID SPACED SECONDARY POLE PIECES; AN ARMATURE HAVING PORTIONS LOCATED IN THE REGION OF SAID FREE ENDS OF SAID SPACED POLE PIECES; AND MEANS MOUNTING SAID ARMATURE MOVABLE TOWARDS AND AWAY FROM SAID FREE ENDS.
Claim 2
Dependent Claim
94 words
A POLARIZED MAGNETIC ARRANGEMENT COMPRISING, IN COMBINATION, AN ELECTROMAGNETIC SOLENOID UNIT COMPOSED OF A BASE, TWO SPACED POLE PIECES INTEGRAL AT ONE END THEREOF WITH SAID BASE AND HAVING FREE ENDS AND SECONDARY POLE PORTIONS ON SAID BASE INTEGRAL THEREWITH AND ARRANGED SPACED FROM EACH OTHER; A PERMANENT MAGNET MOUNTED ON SAID ELECTROMAGNETIC SOLENOID UNIT IN PERMANENT CONTACT WITH SAID SPACED SECONDARY POLE PIECES; AN ARMATURE HAVING PORTIONS LOCATED IN THE REGION OF SAID FREE ENDS OF SAID SPACED POLE PIECES; AND MEANS MOUNTING SAID ARMATURE MOVABLE TOWARDS AND AWAY FROM SAID FREE ENDS.
References Cited (Backward Citations)
US2876397A
Cited
US3154728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |