Patent US3377046A successfully refreshed from Google Patents.
US3377046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solenoid valve and method
Assignee: Roanoke College
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Filing: 1964-10-09
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Granted: 1968-04-09
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Expires: 1984-10-09
Abstract
No abstract record available.
Inventors
- 👤 Virgil L Frantz
- 👤 Jr Brantley D Switzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:12
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0603; F16K31/0624; F16K31/0627; F16K31/0606; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86622; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49071
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
85 words
A SOLENOID VALVE COMPRISING A PLASTIC-BODIED SPOOL HAVING AN AXIAL BORE, A COIL WOUND ON SAID SPOOL, A MAGNETIC CORE IN ONE END PORTION OF SAID BORE, A BASE AT AN OPPOSITE END OF SAID BORE, A PLUNGER IN THE THER END PORTION OF SAID BORE AND PROJECTING INTO SAID BASE, A MAGNETIC FIELD MEMBER CONTAINING AND EMBRACING OPPOSITE ENDS OF SAID SPOOL AND COIL AND CONNECTING SAID CORE AND BASE, AND A PLASTIC COATING MOLDED IN PLACE IN SAID FIELD MEMBER ABOUT SAID COIL.
Claim 2
Dependent Claim
85 words
A SOLENOID VALVE COMPRISING A PLASTIC-BODIED SPOOL HAVING AN AXIAL BORE, A COIL WOUND ON SAID SPOOL, A MAGNETIC CORE IN ONE END PORTION OF SAID BORE, A BASE AT AN OPPOSITE END OF SAID BORE, A PLUNGER IN THE THER END PORTION OF SAID BORE AND PROJECTING INTO SAID BASE, A MAGNETIC FIELD MEMBER CONTAINING AND EMBRACING OPPOSITE ENDS OF SAID SPOOL AND COIL AND CONNECTING SAID CORE AND BASE, AND A PLASTIC COATING MOLDED IN PLACE IN SAID FIELD MEMBER ABOUT SAID COIL.
Claim 3
Independent Claim
89 words
A METHOD OF MAKING A SOLENOID VALVE COMPRISING WINDING A COIL ON A PLASTIC-BODIED SPOOL, INSERTING SAID COIL AND SPOOL INTO A MAGNETIC FIELD MEMBER, MOLDING A PLASTIC COATING IN SAID MEMBER ABOUT SAID COIL AFTER TREATING WITH A RELEASE AGENT ANY SURFACE OF SAID MEMBER CONFRONTING SAID COATING, AND INSERTING INTO OPPOSITE END PORTIONS OF AN AXIAL BORE IN SAID SPOOL THROUGH ADJOINING ENDS OF SAID CONNECTOR A MAGNETIC CORE AND A MAGNETIC PLUNGER PARTLY CONTAINED IN A BASE, WHILE CONNECTING SAID CORE AND BASE TO SAID MEMBER.
Claim 4
Independent Claim
89 words
A METHOD OF MAKING A SOLENOID VALVE COMPRISING WINDING A COIL ON A PLASTIC-BODIED SPOOL, INSERTING SAID COIL AND SPOOL INTO A MAGNETIC FIELD MEMBER, MOLDING A PLASTIC COATING IN SAID MEMBER ABOUT SAID COIL AFTER TREATING WITH A RELEASE AGENT ANY SURFACE OF SAID MEMBER CONFRONTING SAID COATING, AND INSERTING INTO OPPOSITE END PORTIONS OF AN AXIAL BORE IN SAID SPOOL THROUGH ADJOINING ENDS OF SAID CONNECTOR A MAGNETIC CORE AND A MAGNETIC PLUNGER PARTLY CONTAINED IN A BASE, WHILE CONNECTING SAID CORE AND BASE TO SAID MEMBER.
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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) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |