US3084714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum pulsator control valve
Assignee: Individual
•
Filing: 1961-06-02
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Granted: 1963-04-09
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Harry W Getz
- 👤 Dale A Chisholm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:41
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/56; A; A01; A01J; A01J5/00; A01J5/04; A01J5/10; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86292; Y10T137/8634; Y10T137/86389; Y10T137/86405; Y10T137/877; Y10T137/87708; Y10T137/8778
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A CONTROL VALVE, COMPRISING A VALVE BLOCK, PROVIDED WITH TWO CHAMBERS FORMED BY THE WALLS OF SAID VALVE BLOCK, AND A CLOSED CONNECTION WITH A SOURCE OF VACUUM, A WORK PORT IN EACH CHAMBER, A PAIR OF PORTS IN EACH CHAMBER AND LOCATED IN OPPOSITE WALLS THEREOF, A BORE IN THE WALL OF EACH CHAMBER CONNECTING BETWEEN ONE OF SAID PAIR OF PORTS AND SAID CLOSED CONNECTION WITH SAID SOURCE OF VACUUM, THE OTHER OF SAID PAIR OF PORTS EXTENDING THROUGH THE WALL OF EACH CHAMBER TO THE ATMOSPHERE, A DRIVE SHAFT THROUGH BOTH OF SAID CHAMBERS, AND PORTSEALING FLAPPER ELEMENTS ON SAID SHAFT TO SEAL THE PORTS IN SAID CHAMBERS, AN OVERCENTER DRIVE ASSEMBLY MOUNTED ON SAID SHAFT, A PAIR OF SPONGE RUBBER DISCS MOUNTED ON SAID FLAPPER ELEMENTS ON OPPOSITE SIDES THEREOF, A PAIR OF METAL DISCS LARGER THAN SAID PORTS IN DIAMETER AND DISPOSED ON OPPOSITE AND OUTER SIDES OF SAID PAIR OF SPONGE RUBBER DISCS, AND YIELDABLY MOUNTED TO SAID FLAPPER ELEMENTS AND A MOTOR CONNECTED TO SAID DRIVE ASSEMBLY TO DRIVE SAID SHAFT THROUGH SAID OVERCENTER DRIVE ASSEMBLY.
Claim 2
Dependent Claim
183 words
A CONTROL VALVE, COMPRISING A VALVE BLOCK, PROVIDED WITH TWO CHAMBERS FORMED BY THE WALLS OF SAID VALVE BLOCK, AND A CLOSED CONNECTION WITH A SOURCE OF VACUUM, A WORK PORT IN EACH CHAMBER, A PAIR OF PORTS IN EACH CHAMBER AND LOCATED IN OPPOSITE WALLS THEREOF, A BORE IN THE WALL OF EACH CHAMBER CONNECTING BETWEEN ONE OF SAID PAIR OF PORTS AND SAID CLOSED CONNECTION WITH SAID SOURCE OF VACUUM, THE OTHER OF SAID PAIR OF PORTS EXTENDING THROUGH THE WALL OF EACH CHAMBER TO THE ATMOSPHERE, A DRIVE SHAFT THROUGH BOTH OF SAID CHAMBERS, AND PORTSEALING FLAPPER ELEMENTS ON SAID SHAFT TO SEAL THE PORTS IN SAID CHAMBERS, AN OVERCENTER DRIVE ASSEMBLY MOUNTED ON SAID SHAFT, A PAIR OF SPONGE RUBBER DISCS MOUNTED ON SAID FLAPPER ELEMENTS ON OPPOSITE SIDES THEREOF, A PAIR OF METAL DISCS LARGER THAN SAID PORTS IN DIAMETER AND DISPOSED ON OPPOSITE AND OUTER SIDES OF SAID PAIR OF SPONGE RUBBER DISCS, AND YIELDABLY MOUNTED TO SAID FLAPPER ELEMENTS AND A MOTOR CONNECTED TO SAID DRIVE ASSEMBLY TO DRIVE SAID SHAFT THROUGH SAID OVERCENTER DRIVE ASSEMBLY.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |