US3195023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic relay
Assignee: Siemens and Halske AG
•
Filing: 1962-04-09
•
Granted: 1965-07-13
•
Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 Ueberschuss Albert
- 👤 Mielert Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:40
CPC Classifications
H; H01; H01H; H01H51/00; H01H51/22; H01H51/2236; H01H51/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
AN ELECTROMAGNETIC RELAY HAVING A PERMANENT MAGNET WHICH COACTS WITH THE CONTROL FLUX PRODUCED BY THE ELECTROMAGNETIC SYSTEM SO THAT THE ARMATURE IS BY SUPERPOSITION OF THE CONTROL FLUX AND THE PERMANENT FLUX ACTUATABLE TO ASSUME ITS TWO RESPECTIVE END POSITIONS ANDD BEING UPON CESSATION OF THE CONTROL FLUX HELD IN THE ATTAINED END POSITION, COMPRISING AN AUXILIARY ARMATURE EXTENDING FROM THE MAIN ARMATURE FOR DERIVING FROM THE PERMANENT MAGNET DISPOSED IN THE CONTROL FLUX CIRCUIT AN AUXILIARY FLUX WHICH PRODUCES A RESTORING FORCE, ALWAYS ACTING IN THE SAME DIRECTION, SAID AUXILIARY FLUX EXERTING A HOLDING FORCE UPON THE ARMATURE IN THE NORMAL POSITION THEREOF, WITH THE ARMATURE BEING HELD IN ONE END POSITION THEREOF BY THE RESTORING FORCE, WHILE BEING HELD IN THE OTHER END POSITION BY THE FORCE EXERTED BY THE PERMANENT MAGNET.
Claim 2
Dependent Claim
135 words
AN ELECTROMAGNETIC RELAY HAVING A PERMANENT MAGNET WHICH COACTS WITH THE CONTROL FLUX PRODUCED BY THE ELECTROMAGNETIC SYSTEM SO THAT THE ARMATURE IS BY SUPERPOSITION OF THE CONTROL FLUX AND THE PERMANENT FLUX ACTUATABLE TO ASSUME ITS TWO RESPECTIVE END POSITIONS ANDD BEING UPON CESSATION OF THE CONTROL FLUX HELD IN THE ATTAINED END POSITION, COMPRISING AN AUXILIARY ARMATURE EXTENDING FROM THE MAIN ARMATURE FOR DERIVING FROM THE PERMANENT MAGNET DISPOSED IN THE CONTROL FLUX CIRCUIT AN AUXILIARY FLUX WHICH PRODUCES A RESTORING FORCE, ALWAYS ACTING IN THE SAME DIRECTION, SAID AUXILIARY FLUX EXERTING A HOLDING FORCE UPON THE ARMATURE IN THE NORMAL POSITION THEREOF, WITH THE ARMATURE BEING HELD IN ONE END POSITION THEREOF BY THE RESTORING FORCE, WHILE BEING HELD IN THE OTHER END POSITION BY THE FORCE EXERTED BY THE PERMANENT MAGNET.
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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |