Patent US3989958A successfully refreshed from Google Patents.
US3245652A
Expired / Lapsed
US
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Valve
Assignee: GABB SPECIAL PRODUCTS Inc
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Filing: 1962-12-21
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Granted: 1966-04-12
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Roth Wilfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:02
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0644; F16K31/0655; F16K31/0665; F16K31/0651
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN ELECTROMAGNETIC BALL VALVE WHICH COMPRISES (A) A CONDUIT SECTION, (B) A VALVE SEAT IN THE CONDUIT SECTION HAVING AN ORIFICE THERETHROUGH AND A BALL SEATABLE THEREON FOR CONTROLLING FLUID FLOW THROUGH THE CONDUIT SECTION, (C) SAID BALL BEING OF MAGNETIC MATERIAL AND MOVABLE BETWEEN SEATED AND UNSEATED POSITIONS AND BEING POSITIONED FOR FLUID FLOW AROUND THE BALL ON OPPOSITE SIDES THEREOF IN THE UNSEATED POSITION THEREOF, (D) A MAGNETIC CIRCUIT OF MAGNETIC MATERIAL HAVING A PAIR OF POLES IN THE PATH OF FLUID FLOW IN THE CONDUIT SECTION AND ADJACENT THE BALL AND ARRANGED FOR THE PASSAGE THROUGH THE BALL OF MAGNETIC FLUX BETWEEN THE POLES HAVING A SUBSTANTIAL COMPONENT GENERALLY PARALLEL TO THE FLUID FLOW TO MOVE THE BALL FROM ONE OF SAID POSITIONS TO THE OTHER, (E) SAID POLES BEING DESIGNED AND ADAPTED FOR PROVIDING A CLOSE SPACING BETWEEN THE BALL AND ONE POLE
Claim 2
Dependent Claim
147 words
AN ELECTROMAGNETIC BALL VALVE WHICH COMPRISES (A) A CONDUIT SECTION, (B) A VALVE SEAT IN THE CONDUIT SECTION HAVING AN ORIFICE THERETHROUGH AND A BALL SEATABLE THEREON FOR CONTROLLING FLUID FLOW THROUGH THE CONDUIT SECTION, (C) SAID BALL BEING OF MAGNETIC MATERIAL AND MOVABLE BETWEEN SEATED AND UNSEATED POSITIONS AND BEING POSITIONED FOR FLUID FLOW AROUND THE BALL ON OPPOSITE SIDES THEREOF IN THE UNSEATED POSITION THEREOF, (D) A MAGNETIC CIRCUIT OF MAGNETIC MATERIAL HAVING A PAIR OF POLES IN THE PATH OF FLUID FLOW IN THE CONDUIT SECTION AND ADJACENT THE BALL AND ARRANGED FOR THE PASSAGE THROUGH THE BALL OF MAGNETIC FLUX BETWEEN THE POLES HAVING A SUBSTANTIAL COMPONENT GENERALLY PARALLEL TO THE FLUID FLOW TO MOVE THE BALL FROM ONE OF SAID POSITIONS TO THE OTHER, (E) SAID POLES BEING DESIGNED AND ADAPTED FOR PROVIDING A CLOSE SPACING BETWEEN THE BALL AND ONE POLE
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 |