US3275964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple position solenoid device
Assignee: KOONTZ WAGNER ELECTRIC Co
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Filing: 1964-01-06
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Granted: 1966-09-27
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Expires: 1984-01-06
Abstract
No abstract record available.
Inventors
- 👤 Kumm Brent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1638; H01F7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A MULTIPLE POSITION SOLENOID DEVICE, COMPRISING A CYLINDRICALLY-SHAPED HOUSING, FIRST AND SECOND COILS MOUNTED IN ONE END OF SAID HOUSING AND HAVING HOLLOW CORES, TWO AXIALLY MOVABLE PLUNGER-LIKE ARMATURES DISPOSED IN SAID CORES AND SPACED FROM ONE ANOTHER FOR RELATIVE AXIAL MOVEMENT, A LOST MOTION CONNECTION BETWEEN SAID ARMATURES, A STEM ON ONE OF SAID ARMATURES FOR CONNECTION WITH AN ELEMENT TO BE OPERATED BY SAID DEVICE, A PLURALITY OF ADDITIONAL COILS HAVING CORES WITH HOLLW CENTERS SPACED FROM ONE ANOTHER IN AXIAL ALIGNMENT IN SAID HOUSING, A SHAFT EXTENDING THROUGH THE CORES AND HAVING A HEAD THEREON, A LOST MOTION CONNECTION BETWEEN SAID ARMATURES AND SAID HEAD, A DISC-SHAPED ARMATURE ON SAID SHAFT FOR EACH OF SAID LAST MENTIONED COILS, EACH BEING SPACED PROGRESSIVELY FURTHER FROM ITS RESPECTIVE COIL WHEN
Claim 2
Dependent Claim
131 words
A MULTIPLE POSITION SOLENOID DEVICE, COMPRISING A CYLINDRICALLY-SHAPED HOUSING, FIRST AND SECOND COILS MOUNTED IN ONE END OF SAID HOUSING AND HAVING HOLLOW CORES, TWO AXIALLY MOVABLE PLUNGER-LIKE ARMATURES DISPOSED IN SAID CORES AND SPACED FROM ONE ANOTHER FOR RELATIVE AXIAL MOVEMENT, A LOST MOTION CONNECTION BETWEEN SAID ARMATURES, A STEM ON ONE OF SAID ARMATURES FOR CONNECTION WITH AN ELEMENT TO BE OPERATED BY SAID DEVICE, A PLURALITY OF ADDITIONAL COILS HAVING CORES WITH HOLLW CENTERS SPACED FROM ONE ANOTHER IN AXIAL ALIGNMENT IN SAID HOUSING, A SHAFT EXTENDING THROUGH THE CORES AND HAVING A HEAD THEREON, A LOST MOTION CONNECTION BETWEEN SAID ARMATURES AND SAID HEAD, A DISC-SHAPED ARMATURE ON SAID SHAFT FOR EACH OF SAID LAST MENTIONED COILS, EACH BEING SPACED PROGRESSIVELY FURTHER FROM ITS RESPECTIVE COIL WHEN
References Cited (Backward Citations)
US2457739A
Cited
US2619121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |