Patent US3119954A successfully refreshed from Google Patents.
US3119954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid with molded plunger guide
Assignee: Individual
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Filing: 1961-04-04
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Granted: 1964-01-28
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Robert W Bachi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:08
CPC Classifications
H; H01; H01F; H01F7/00; H01F7/06; H01F7/08; H01F7/16; H01F7/1607; H01F7/1623; H01H; H01H50/00; H01H50/02; H01H50/04; H01H50/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN A SOLENOID OF THE TYPE HAVING A SUBSTANTIALLY CSHAPED MAGNETIC FRAME WITH PARALLEL LEGS EXTENDING FORWARDLY FROM A REAR BIGHT PORTION AND WITH LATERALLY INWARDLY PROJECTING EXTENSIONS AT THE FRONT ENDS OF THE LEGS, A WINDING WOUND ON A HOLLOW BOBBIN WHICH IS EMBRACED BY SAID LEGS OF THE FRAME AND IS CONFINED BETWEEN THE BIGHT PORTION OF THE FRAME AND SAID EXTENSIONS WITH ITS AXIS PARALLEL TO THE LEGS, AND A PLUNGER ENDWISE SLIDABLE IN THE BOBBIN AND WHICH EXTENDS THROUGH THE SPACE BETWEEN SAID EXTENSIONS: A UNITARY PLUNGER GUIDE HAVING GUIDE ELEMENTS WHICH EXTEND PARALLEL TO THE BOBBIN AXIS THROUGH THE SPACE BETWEEN SAID EXTENSIONS AND WHICH GUIDINGLY EMBRACE THE PLUNGER AT OPPOSITE SIDES THEREOF, AND HAVING PORTIONS INTEGRAL WITH AND TRANSVERSE TO SAID GUIDE ELEMENTS WHICH EXTEND ACROSS THE FRAME BEHIND SAID EXTENSIONS AND HAVE FORWARDLY OPENING POCKETS IN WHICH PORTIONS OF SAID EXTENSIONS ARE SEATED TO HOLD THE PLUNGER GUIDE AGAINST LATERAL AND FORWARD DISPLACEMENT; AND BIASING MEANS REACTING BETWEEN THE PLUNGER GUIDE AND THE FRAME TO URGE THE PLUNGER GUIDE FORWARDLY INTO ENGAGEMENT WITH SAID PORTIONS OF THE EXTENSIONS.
Claim 2
Dependent Claim
185 words
IN A SOLENOID OF THE TYPE HAVING A SUBSTANTIALLY CSHAPED MAGNETIC FRAME WITH PARALLEL LEGS EXTENDING FORWARDLY FROM A REAR BIGHT PORTION AND WITH LATERALLY INWARDLY PROJECTING EXTENSIONS AT THE FRONT ENDS OF THE LEGS, A WINDING WOUND ON A HOLLOW BOBBIN WHICH IS EMBRACED BY SAID LEGS OF THE FRAME AND IS CONFINED BETWEEN THE BIGHT PORTION OF THE FRAME AND SAID EXTENSIONS WITH ITS AXIS PARALLEL TO THE LEGS, AND A PLUNGER ENDWISE SLIDABLE IN THE BOBBIN AND WHICH EXTENDS THROUGH THE SPACE BETWEEN SAID EXTENSIONS: A UNITARY PLUNGER GUIDE HAVING GUIDE ELEMENTS WHICH EXTEND PARALLEL TO THE BOBBIN AXIS THROUGH THE SPACE BETWEEN SAID EXTENSIONS AND WHICH GUIDINGLY EMBRACE THE PLUNGER AT OPPOSITE SIDES THEREOF, AND HAVING PORTIONS INTEGRAL WITH AND TRANSVERSE TO SAID GUIDE ELEMENTS WHICH EXTEND ACROSS THE FRAME BEHIND SAID EXTENSIONS AND HAVE FORWARDLY OPENING POCKETS IN WHICH PORTIONS OF SAID EXTENSIONS ARE SEATED TO HOLD THE PLUNGER GUIDE AGAINST LATERAL AND FORWARD DISPLACEMENT; AND BIASING MEANS REACTING BETWEEN THE PLUNGER GUIDE AND THE FRAME TO URGE THE PLUNGER GUIDE FORWARDLY INTO ENGAGEMENT WITH SAID PORTIONS OF THE EXTENSIONS.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |