US3285276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-modulating valve
Assignee: Atwater General Corp
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Filing: 1964-02-14
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Granted: 1966-11-15
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Pieter W Schipper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:44
CPC Classifications
F; F16; F16K; F16K21/00; F16K21/04; F16K21/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7339; Y10T137/7355; Y10T137/7358; Y10T137/7407; Y10T137/742; Y10T137/7423; Y10T137/7426; Y10T137/7436
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
246 words
A NON-MODULATING VALVE SYSTEM COMPRISING A CHAMBER HAVING AN INLET A FLOAT POSITIONED IN SAID CHAMBER AND CONTROLLING THE FLOW OF WATER THROUGH SAID INLET, SAID FLOAT HAVING A DIFFERENT EFFECTIVE WEIGHT DEPENDING ON THE AMOUNT OF WATER IN THE CHAMBER, A SIPHON TUBE CONNECTED TO SAID CHAMBER TO DRAIN WATER FROM SAID CHAMBER AFTER IT IS FILLED AND TO EMPTY THE CHAMBER OF WATER WHENEVER THE INLET IS CLOSED, A CONTAINER POSITIONED TO RECEIVE THE WATER FROM SAID SIPON, A PIVOT MEMBER, A LEVER ARM CONNECTED TO SAID CONTAINER AND LYING ON SAID PIVOT MEMBER, A COUNTERWEIGHT MOUNTED ON SAID LEVER ARM TO TILT THE CONTAINER FROM A FIRST TO A SECOND POSITION, A SECOND PIVOT MEMBER, A SECOND LEVER ARM PIVOTED ON SAID SECOND PIVOT MEMBER AND CONNECTING SAID COUNTERWEIGHT AND SAID FLOAT TO PROVIDE AN OPPOSITE MOTION TO SAID FLOAT, WHEREBY ON REMOVAL OF WATER FROM SAID CONTAINER, THE COUNTERWEIGHT WILL TIP THE CONTAINER AND PULL THE FLOAT AWAY FROM THE INLET ALLOWING WATER TO ENTER THE CHAMBER, REDUCING THE EFFECTIVE WEIGHT OF THE FLOAT ON THE COUNTERWEIGHT CAUSING THE COUNTERWEIGHT TO PULL THE FLOAT TO A FULL STOP POSITION, THE FLOAT BEING PUSHED TO A CLOSED POSITION WHEN THE WEIGHT OF THE WATER IN THE CONTAINER IS SUFFICIENT TO MOVE THE CONTAINER FROM THE SECOND TO A FIRST POSITION IN OPPOSITION TO THE WEIGHT OF THE COUNTERWEIGHT, THE SIPHON TUBE DRAINING THE WATER FROM THE CHAMBER AFTER THE INLET HAS BEEN CLOSED.
Claim 2
Dependent Claim
246 words
A NON-MODULATING VALVE SYSTEM COMPRISING A CHAMBER HAVING AN INLET A FLOAT POSITIONED IN SAID CHAMBER AND CONTROLLING THE FLOW OF WATER THROUGH SAID INLET, SAID FLOAT HAVING A DIFFERENT EFFECTIVE WEIGHT DEPENDING ON THE AMOUNT OF WATER IN THE CHAMBER, A SIPHON TUBE CONNECTED TO SAID CHAMBER TO DRAIN WATER FROM SAID CHAMBER AFTER IT IS FILLED AND TO EMPTY THE CHAMBER OF WATER WHENEVER THE INLET IS CLOSED, A CONTAINER POSITIONED TO RECEIVE THE WATER FROM SAID SIPON, A PIVOT MEMBER, A LEVER ARM CONNECTED TO SAID CONTAINER AND LYING ON SAID PIVOT MEMBER, A COUNTERWEIGHT MOUNTED ON SAID LEVER ARM TO TILT THE CONTAINER FROM A FIRST TO A SECOND POSITION, A SECOND PIVOT MEMBER, A SECOND LEVER ARM PIVOTED ON SAID SECOND PIVOT MEMBER AND CONNECTING SAID COUNTERWEIGHT AND SAID FLOAT TO PROVIDE AN OPPOSITE MOTION TO SAID FLOAT, WHEREBY ON REMOVAL OF WATER FROM SAID CONTAINER, THE COUNTERWEIGHT WILL TIP THE CONTAINER AND PULL THE FLOAT AWAY FROM THE INLET ALLOWING WATER TO ENTER THE CHAMBER, REDUCING THE EFFECTIVE WEIGHT OF THE FLOAT ON THE COUNTERWEIGHT CAUSING THE COUNTERWEIGHT TO PULL THE FLOAT TO A FULL STOP POSITION, THE FLOAT BEING PUSHED TO A CLOSED POSITION WHEN THE WEIGHT OF THE WATER IN THE CONTAINER IS SUFFICIENT TO MOVE THE CONTAINER FROM THE SECOND TO A FIRST POSITION IN OPPOSITION TO THE WEIGHT OF THE COUNTERWEIGHT, THE SIPHON TUBE DRAINING THE WATER FROM THE CHAMBER AFTER THE INLET HAS BEEN CLOSED.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |