Patent US1701461A successfully refreshed from Google Patents.
Patent US3198996A successfully refreshed from Google Patents.
US3198996A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnet actuator having a shock absorbing means
Assignee: Junkers and Co GmbH
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Filing: 1963-06-19
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Granted: 1965-08-03
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Vollprecht Siegfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:43
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/025; H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/088; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30; H01H50/305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
IN AN ELECTROMAGNETIC ACTUATOR, IN COMBINATION, AN ELECTROMAGNET HAVING AN EXPOSED FACE; AN ARMATURE MEMBER HAVING A FACE CORRESPONDING AND ARRANGED ADJACENT TO SAID EXPOSED FACE OF SAID ELECTROMAGNET AND MOVABLE TOWARDS AND AWAY FROM THE SAME; AND A ROD-SHAPED MOTION-TRANSMITTING MEMBER LOCATED ADJACENT SAID ARMATURE MEMBER, ONE OF SAID MEMBERS BEING FORMED WITH A BORE HAVING AN OPEN END AND AN OPPOSITE CLOSED END AND THE OTHER OF SAID MEMBERS HAVING AN ELONGATED PROJECTION FORMED EXTENDING THEREFROM AND INCLUDING A FREE END PORTION, SAID ELONGATED PROJECTION BEING FORMED WITH AN ANNULAR GROOVE BETWEEN THE REMAINDER OF SAID OTHER MEMBER AND SAID FREE END PORTION, SAID FREE END PORTION OF SAID PROJECTION BEING RECEIVED IN SAID BORE AND SAID ONE MEMBER HAVING AN ANNULAR PROJECTION EXTENDING INTO SAID GROOVE FOR CONNECTING SAID MEMBERS TO EACH OTHER; AND YIELDABLE MEANS LOCATED IN SAID BORE, ENGAGING SAID CLOSED END THEREOF AND SAID FREE END PORTION OF SAID PROJECTION FOR YIELDABLY RESISTING MOVEMENT OF SAID PROJECTION TOWARD SAID CLOSED END OF SAID BORE.
Claim 2
Dependent Claim
170 words
IN AN ELECTROMAGNETIC ACTUATOR, IN COMBINATION, AN ELECTROMAGNET HAVING AN EXPOSED FACE; AN ARMATURE MEMBER HAVING A FACE CORRESPONDING AND ARRANGED ADJACENT TO SAID EXPOSED FACE OF SAID ELECTROMAGNET AND MOVABLE TOWARDS AND AWAY FROM THE SAME; AND A ROD-SHAPED MOTION-TRANSMITTING MEMBER LOCATED ADJACENT SAID ARMATURE MEMBER, ONE OF SAID MEMBERS BEING FORMED WITH A BORE HAVING AN OPEN END AND AN OPPOSITE CLOSED END AND THE OTHER OF SAID MEMBERS HAVING AN ELONGATED PROJECTION FORMED EXTENDING THEREFROM AND INCLUDING A FREE END PORTION, SAID ELONGATED PROJECTION BEING FORMED WITH AN ANNULAR GROOVE BETWEEN THE REMAINDER OF SAID OTHER MEMBER AND SAID FREE END PORTION, SAID FREE END PORTION OF SAID PROJECTION BEING RECEIVED IN SAID BORE AND SAID ONE MEMBER HAVING AN ANNULAR PROJECTION EXTENDING INTO SAID GROOVE FOR CONNECTING SAID MEMBERS TO EACH OTHER; AND YIELDABLE MEANS LOCATED IN SAID BORE, ENGAGING SAID CLOSED END THEREOF AND SAID FREE END PORTION OF SAID PROJECTION FOR YIELDABLY RESISTING MOVEMENT OF SAID PROJECTION TOWARD SAID CLOSED END OF SAID BORE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |