US3131462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of retaining and locating a pair of permanently-magnetic tubular segments within an outer concentric sleeve
Assignee: Black and Decker Corp
•
Filing: 1962-01-15
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Granted: 1964-05-05
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Expires: 1982-01-15
Abstract
No abstract record available.
Inventors
- 👤 Raymond D Owings
- 👤 Leonard U Alsruhe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:26
CPC Classifications
H; H02; H02K; H02K1/00; H02K1/06; H02K1/12; H02K1/17; Y; Y10; Y10S; Y10S116/00; Y10S116/42; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/4902; Y10T29/49075; Y10T29/49826; Y10T29/49893; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE METHOD OF RETAINING AND LOCATING A PAIR OF PERMANENTLY-MAGNETIC TUBULAR SEGMENTS WITHIN AN OUTER CONCENTRIC SLEEVE, WHICH COMPRISES THE STEPS OF: (A) INSERTING THE PAIR OF TUBULAR SEGMENTS WITHIN THE SLEEVE, SUCH THAT THE SEGMENTS ARE FLUSH AGAINST THE INTERIOR WALL OF THE SLEEVE, AND SUCH THAT THE SEGMENTS ARE DIAMETRICALLY OPPOSITE FROM ONE ANOTHER AND ARE CIRCUMFERENTIALLY SPACED FROM ONE ANOTHER; BY MEANS OF A PAIR OF ANNULAR FLANGES, ONE AT EACH END OF THE SLEEVE, AND EACH OF THE FLANGES BEING ININTEGRAL WITH THE SLEEVE AND EXTENDING RADIALLY INWARDLY BEYOND THE INTERNAL DIAMETER OF THE SLEEVE; AND (C) FORMING A PAIR OF DIAMETRICALLY-OPPOSITE SHALLOW DEPRESSIONS ON EACH OF THE ANNULAR FLANGES, EACH OF THE DEPRESSIONS BEING CIRCUMFERENTIALLY INTERMEDIATE OF THE TUBULAR SEGMENTS, AND EACH OF THE DEPRESSIONS BEING DIRECTED INWARDLY OF THE SLEEVE, THEREBY RETAINING AND LOCATING THE SEGMENTS RADIALLY AND CIRCUMFERENTIALLY WITHIN THE SLEEVE.
Claim 2
Independent Claim
148 words
THE METHOD OF RETAINING AND LOCATING A PAIR OF PERMANENTLY-MAGNETIC TUBULAR SEGMENTS WITHIN AN OUTER CONCENTRIC SLEEVE, WHICH COMPRISES THE STEPS OF: (A) INSERTING THE PAIR OF TUBULAR SEGMENTS WITHIN THE SLEEVE, SUCH THAT THE SEGMENTS ARE FLUSH AGAINST THE INTERIOR WALL OF THE SLEEVE, AND SUCH THAT THE SEGMENTS ARE DIAMETRICALLY OPPOSITE FROM ONE ANOTHER AND ARE CIRCUMFERENTIALLY SPACED FROM ONE ANOTHER; BY MEANS OF A PAIR OF ANNULAR FLANGES, ONE AT EACH END OF THE SLEEVE, AND EACH OF THE FLANGES BEING ININTEGRAL WITH THE SLEEVE AND EXTENDING RADIALLY INWARDLY BEYOND THE INTERNAL DIAMETER OF THE SLEEVE; AND (C) FORMING A PAIR OF DIAMETRICALLY-OPPOSITE SHALLOW DEPRESSIONS ON EACH OF THE ANNULAR FLANGES, EACH OF THE DEPRESSIONS BEING CIRCUMFERENTIALLY INTERMEDIATE OF THE TUBULAR SEGMENTS, AND EACH OF THE DEPRESSIONS BEING DIRECTED INWARDLY OF THE SLEEVE, THEREBY RETAINING AND LOCATING THE SEGMENTS RADIALLY AND CIRCUMFERENTIALLY WITHIN THE SLEEVE.
References Cited (Backward Citations)
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Cited
US2127982A
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US2460639A
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US2434008A
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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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |