US3348178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid actuated device
Assignee: Dole Valve Co
•
Filing: 1966-09-20
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Granted: 1967-10-17
•
Expires: 1986-09-20
Abstract
No abstract record available.
Inventors
- 👤 Howard L Erickson
- 👤 Jr William Raymond Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:33
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SOLENOID ACTUATED DEVICE COMPRISING: A SOLENOID HAVING AN AXIAL THERETHROUGH; A SOFT FERROMAGNETIC FRAME EXTENDING FROM ACROSS ONE END OF SAID SOLENOID EXTERNALLY TO A POSITION ACROSS THE OTHER END OF SAID SOLENOID, SAID FRAME MEMBER BEING APERTURED OPPOSITE SAID ONE END OF SAID SOLENOID; A SOFT FERROMAGNETIC PLUNGER HAVING A FLAT END THEREOF SLIDABLY MOUNTED IN SAID BORE OF SAID SOLENOID AND EXTENDING THROUGH SAID APERTURE; THE IMPROVEMENT THEREIN COMPRISING: A STOP MEMBER OF NON-MAGNETIC MATERIAL DISPOSED IN SAID BORE OF SAID SOLENOID AT ITS SAID OTHER END, SAID STOP MEMBER HAVING A FLAT SU RFACE SO AS TO PROVIDE A CONTINUOUS MATING SURFACE WITH THE FLAT END OF SAID PLUNGER WHEN SAID SOLENOID IS ENERGIZED.
Claim 2
Dependent Claim
118 words
A SOLENOID ACTUATED DEVICE COMPRISING: A SOLENOID HAVING AN AXIAL THERETHROUGH; A SOFT FERROMAGNETIC FRAME EXTENDING FROM ACROSS ONE END OF SAID SOLENOID EXTERNALLY TO A POSITION ACROSS THE OTHER END OF SAID SOLENOID, SAID FRAME MEMBER BEING APERTURED OPPOSITE SAID ONE END OF SAID SOLENOID; A SOFT FERROMAGNETIC PLUNGER HAVING A FLAT END THEREOF SLIDABLY MOUNTED IN SAID BORE OF SAID SOLENOID AND EXTENDING THROUGH SAID APERTURE; THE IMPROVEMENT THEREIN COMPRISING: A STOP MEMBER OF NON-MAGNETIC MATERIAL DISPOSED IN SAID BORE OF SAID SOLENOID AT ITS SAID OTHER END, SAID STOP MEMBER HAVING A FLAT SU RFACE SO AS TO PROVIDE A CONTINUOUS MATING SURFACE WITH THE FLAT END OF SAID PLUNGER WHEN SAID SOLENOID IS ENERGIZED.
References Cited (Backward Citations)
US2176564A
Cited
US2853659A
Cited
US3005890A
Cited
US3139496A
Cited
US3241005A
Cited
US3278874A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |