Patent US3250866A successfully refreshed from Google Patents.
US3250866A
Expired / Lapsed
US
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Magnetic switching apparatus with adjustable switch positions
Assignee: Geosource Inc
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Filing: 1963-02-18
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Granted: 1966-05-10
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Robert W Ryno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/2006; G01D5/2013; H; H01; H01H; H01H36/00; H01H36/0006; H03; H03M; H03M1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A MAGNETICALLY ACTUATED SWITCH ASSEMBLY COMPRISING (A) A THIN FLAT SCANNER WHEEL OF A MAGNETIC METERIAL HAVING A PLURALITY OF EQUICIRCUMFERENTIALLY SPACED NARROW RADIAL SLOTS, (B) A PERMANENT MAGNET HAVING AN AIR GAP AND MOUNTED TO PRESENT SAID AIR GAP TO ONE FACE OF THE SCANNER WHEEL IN THE AREA OF SAID SLOTS, (C) A MAGNETICALLY RESPONSIVE SWITCH HAVING ALIGNED SWITCH ARMS AND ADJUSTABLY MOUNTED IN ALIGNED RELATION TO SAID MAGNET ON THE OPPOSITE SIDE OF SAID WHEEL AND RESPONSIVE TO THE FLUX FROM SAID MAGNET, SAID SCANNER WHEEL MODULATING THE MAGNETIC FIELD STRENGTH COUPLED TO SAID SWITCH, (D) MOUNTING MEANS FOR SAID MAGNET AND SAID SWITCH AND ADJUSTABLE MOUNTED ADJACENT THE WHEEL FOR TAN-
Claim 2
Dependent Claim
115 words
A MAGNETICALLY ACTUATED SWITCH ASSEMBLY COMPRISING (A) A THIN FLAT SCANNER WHEEL OF A MAGNETIC METERIAL HAVING A PLURALITY OF EQUICIRCUMFERENTIALLY SPACED NARROW RADIAL SLOTS, (B) A PERMANENT MAGNET HAVING AN AIR GAP AND MOUNTED TO PRESENT SAID AIR GAP TO ONE FACE OF THE SCANNER WHEEL IN THE AREA OF SAID SLOTS, (C) A MAGNETICALLY RESPONSIVE SWITCH HAVING ALIGNED SWITCH ARMS AND ADJUSTABLY MOUNTED IN ALIGNED RELATION TO SAID MAGNET ON THE OPPOSITE SIDE OF SAID WHEEL AND RESPONSIVE TO THE FLUX FROM SAID MAGNET, SAID SCANNER WHEEL MODULATING THE MAGNETIC FIELD STRENGTH COUPLED TO SAID SWITCH, (D) MOUNTING MEANS FOR SAID MAGNET AND SAID SWITCH AND ADJUSTABLE MOUNTED ADJACENT THE WHEEL FOR TAN-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |