US3351093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually operable solenoid valve
Assignee: Roanoke College
•
Filing: 1963-12-27
•
Granted: 1967-11-07
•
Expires: 1983-12-27
Abstract
No abstract record available.
Inventors
- 👤 Virgil L Frantz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:45
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; Y10T137/8667; Y10T137/86686
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A MANUALLY OPERABLE SOLENOID VALVE COMPRISING A BODY MOUNTING A SOLENOID, A VALVE CHAMBER IN SAID BODY, VALVE SEATS AT OPPOSITE ENDS OF SAID CHAMBER, A PLUNGER IN SAID CHAMBER AND SHIFTABLE AXIALLY THEREOF FOR ALTERNATELY CLOSING SAID SEATS, SPRING MEANS ACTING BETWEEN SAID BODY AND PLUNGER FOR NORMALLY HOLDING SAID PLUNGER IN A POSITION TO CLOSE ONE OF SAID SEATS AND YIELDABLY RESISTING SHIFTING THEREOF ON ENERGIZING OF SAID SOLENOID TO ANOTHER POSITION TO CLOSE SAID OTHER SEAT, MANUALLY OPERABLE OVERRIDE MEANS IN SAID BODY AND SHIFTABLE THEREIN AXIALLY OF SAID CHAMBER, SAID OVERRIDE MEANS ON MANUAL OPERATION PROJECTING INTO SAID CHAMBER AGAINST AN END OF SAID PLUNGER FOR SHIFTING SAID PLUNGER TO SAID OTHER POSITION, AND CAM MEANS RIGID WITH SAID BODY AND FRICTIONALLY ENGAGEABLE
Claim 2
Dependent Claim
127 words
A MANUALLY OPERABLE SOLENOID VALVE COMPRISING A BODY MOUNTING A SOLENOID, A VALVE CHAMBER IN SAID BODY, VALVE SEATS AT OPPOSITE ENDS OF SAID CHAMBER, A PLUNGER IN SAID CHAMBER AND SHIFTABLE AXIALLY THEREOF FOR ALTERNATELY CLOSING SAID SEATS, SPRING MEANS ACTING BETWEEN SAID BODY AND PLUNGER FOR NORMALLY HOLDING SAID PLUNGER IN A POSITION TO CLOSE ONE OF SAID SEATS AND YIELDABLY RESISTING SHIFTING THEREOF ON ENERGIZING OF SAID SOLENOID TO ANOTHER POSITION TO CLOSE SAID OTHER SEAT, MANUALLY OPERABLE OVERRIDE MEANS IN SAID BODY AND SHIFTABLE THEREIN AXIALLY OF SAID CHAMBER, SAID OVERRIDE MEANS ON MANUAL OPERATION PROJECTING INTO SAID CHAMBER AGAINST AN END OF SAID PLUNGER FOR SHIFTING SAID PLUNGER TO SAID OTHER POSITION, AND CAM MEANS RIGID WITH SAID BODY AND FRICTIONALLY ENGAGEABLE
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |