US3274525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid device having a non-rotatably mounted coil bobbin
Assignee: COMAR ELECTRIC CO
•
Filing: 1964-08-28
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Granted: 1966-09-20
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Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Robert L Valleau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SOLENOID COMPRISING A FRAME HAVING A BASE WALL AND A PAIR OF INTERCONNECTING SIDE WALLS EXTENDING FROM AND JOINED AT RESPECTIVE ENDS TO SAID BASE WALL, A CYLINDRICAL PLUNGER STOP SECURED TO SAID BASE WALL, A BOBBIN HAVING A HOLLOW CENTRAL BODY AND A PAIR OF ATTACHED HEADERS AT THE OPPOSITE ENDS THEREOF, SAID BOBBIN HAVING A COIL, AN ELONGATED GUIDE TUBE FITTED OVER SAID PLUNGER STOP, SAID CENTRAL BODY OF SAID BOBBIN BEING LOOSELY FITTED OVER AND SAID GUIDE TUBE WITH ONE HEADER THEREOF DISPOSED ADJACENT SAID BASE WALL, A SOLENOID PLUNGER ARRANGED WITHIN SAID GUIDE TUBE FOR SLIDING MOVEMENT, AND SAID ONE HEADER AND THE BASE WALL HAVING INTERLOCKED PROJECTIONS AND OPENINGS TO SECURE SAID BOBBIN AGAINST ROTATION.
Claim 2
Dependent Claim
121 words
A SOLENOID COMPRISING A FRAME HAVING A BASE WALL AND A PAIR OF INTERCONNECTING SIDE WALLS EXTENDING FROM AND JOINED AT RESPECTIVE ENDS TO SAID BASE WALL, A CYLINDRICAL PLUNGER STOP SECURED TO SAID BASE WALL, A BOBBIN HAVING A HOLLOW CENTRAL BODY AND A PAIR OF ATTACHED HEADERS AT THE OPPOSITE ENDS THEREOF, SAID BOBBIN HAVING A COIL, AN ELONGATED GUIDE TUBE FITTED OVER SAID PLUNGER STOP, SAID CENTRAL BODY OF SAID BOBBIN BEING LOOSELY FITTED OVER AND SAID GUIDE TUBE WITH ONE HEADER THEREOF DISPOSED ADJACENT SAID BASE WALL, A SOLENOID PLUNGER ARRANGED WITHIN SAID GUIDE TUBE FOR SLIDING MOVEMENT, AND SAID ONE HEADER AND THE BASE WALL HAVING INTERLOCKED PROJECTIONS AND OPENINGS TO SECURE SAID BOBBIN AGAINST ROTATION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |