Patent US3245425A successfully refreshed from Google Patents.
US3245425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic controller
Assignee: Magnetrol Inc
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Filing: 1963-04-29
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Granted: 1966-04-12
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Expires: 1983-04-29
Abstract
No abstract record available.
Inventors
- 👤 Meyer Roy W De
- 👤 Kenneth H Mauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:35
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0038; F; F15; F15B; F15B5/00; F15B5/003; G05; G05D; G05D9/00; G05D9/04; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452; Y10T137/7287; Y10T137/7358; Y10T137/7368; Y10T137/7371; Y10T137/7374
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A PNEUMATIC CONTROLLER COMPRISING A VERTICAL NONMAGNETIC WALL, A MAGNETIC ELEMENT MOVABLE VERTICALLY ON ONE SIDE OF THE WALL, MEANS RESPONSIVE TO A CONDITION TO BE CONROLLED TO MOVE THE ELEMENT, A MAGNETIC FOLLOWER MOUNTED FOR VERTICAL MOVEMENT ON THE OTHER SIDE OF THE WALL TO FOLLOW MOVEMENT OF THE ELEMENT, A CAM ROTATABLY MOUNTED ON A HORIZONTAL AXIS, A LEVER CONNECTING THE CAM TO THE FOLLOWER TO BE THEREBY, AN ARM MOUNTED AT ONE END FOR PIVOT MOVEMENT, A NOZZLE CARRIED BY THE FREE END OF THE ARM, A FLAPPER MOUNTED ON THE ARM FOR MOVEMENT INDEPENDENTLY OF THE ARM TOWARD AND AWAY FROM THE NOZZLE AND OPERATIVELY ENGAGING THE CAM TO BE MOVED THEREBY, A FLUID SPPLY CONNECTION TO THE NOZZLE, A RESTRICTION IN THE CONNECTION, A FLUID PRESSURE RESPONSIVE DEVICE CONNECTED TO THE CONNECTION BETWEEN THE NOZSZLE AND THE RESTRICTION AND OPERATIVELY CONNECTED TO THE ARM TO MOVE IT IN DIRECTION TO FOLLOW THE FLAPPER, AND TIME DELAY MEANS TO MAKE THE SAID DEVICE INEFFECTIVE AFTER A PREDETERMINED TIME INTERVAL.
Claim 2
Dependent Claim
173 words
A PNEUMATIC CONTROLLER COMPRISING A VERTICAL NONMAGNETIC WALL, A MAGNETIC ELEMENT MOVABLE VERTICALLY ON ONE SIDE OF THE WALL, MEANS RESPONSIVE TO A CONDITION TO BE CONROLLED TO MOVE THE ELEMENT, A MAGNETIC FOLLOWER MOUNTED FOR VERTICAL MOVEMENT ON THE OTHER SIDE OF THE WALL TO FOLLOW MOVEMENT OF THE ELEMENT, A CAM ROTATABLY MOUNTED ON A HORIZONTAL AXIS, A LEVER CONNECTING THE CAM TO THE FOLLOWER TO BE THEREBY, AN ARM MOUNTED AT ONE END FOR PIVOT MOVEMENT, A NOZZLE CARRIED BY THE FREE END OF THE ARM, A FLAPPER MOUNTED ON THE ARM FOR MOVEMENT INDEPENDENTLY OF THE ARM TOWARD AND AWAY FROM THE NOZZLE AND OPERATIVELY ENGAGING THE CAM TO BE MOVED THEREBY, A FLUID SPPLY CONNECTION TO THE NOZZLE, A RESTRICTION IN THE CONNECTION, A FLUID PRESSURE RESPONSIVE DEVICE CONNECTED TO THE CONNECTION BETWEEN THE NOZSZLE AND THE RESTRICTION AND OPERATIVELY CONNECTED TO THE ARM TO MOVE IT IN DIRECTION TO FOLLOW THE FLAPPER, AND TIME DELAY MEANS TO MAKE THE SAID DEVICE INEFFECTIVE AFTER A PREDETERMINED TIME INTERVAL.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |