Patent US3311259A successfully refreshed from Google Patents.
US3311259A
Expired / Lapsed
US
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Methods and apparatus for dispensing paramagnetic articles
Assignee: AT&T Inc
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Filing: 1966-03-10
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Granted: 1967-03-28
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Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Ford J Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:25
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49105; Y10T29/53; Y10T29/5313; Y10T29/53196
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF DISPENSING PARAMAGNETIC ARTICLES, WHICH COMPRISES: ADVANCING THE ARTICLES IN A SINGLE-FILE LINE ALONG A NONMAGNETIC TRACKWAY; MAGNETICALLY ATTRACTING AND HOLDING THE LEADING ARTICLE AGAINST THE TRACKWAY TO STOP THE ADVANCEMENT OF ARTICLES THEREALONG, WHILE INDUCING A MAGNETIC POLE OF ONE POLARITY AT THE TRAILING END OF THE LEADING ARTICLE; MAGNETICALLY ATTRACTING AND HOLDING THE NEXT FOLLOWING ARTICLE AGAINST THE TRACKWAY, WHILE INDUCING A MAGNETIC POLE OF THE SAME POLARITY AT THE LEADING END THEREOF; AND RELEASING THE LEADING ARTICLE, WHEREUPON THE FOLLOWING ARTICLE REPELS THE LEADING ARTICLE TO PERMIT IT TO BE DISPENSED FROM THE TRACKWAY.
Claim 2
Independent Claim
99 words
THE METHOD OF DISPENSING PARAMAGNETIC ARTICLES, WHICH COMPRISES: ADVANCING THE ARTICLES IN A SINGLE-FILE LINE ALONG A NONMAGNETIC TRACKWAY; MAGNETICALLY ATTRACTING AND HOLDING THE LEADING ARTICLE AGAINST THE TRACKWAY TO STOP THE ADVANCEMENT OF ARTICLES THEREALONG, WHILE INDUCING A MAGNETIC POLE OF ONE POLARITY AT THE TRAILING END OF THE LEADING ARTICLE; MAGNETICALLY ATTRACTING AND HOLDING THE NEXT FOLLOWING ARTICLE AGAINST THE TRACKWAY, WHILE INDUCING A MAGNETIC POLE OF THE SAME POLARITY AT THE LEADING END THEREOF; AND RELEASING THE LEADING ARTICLE, WHEREUPON THE FOLLOWING ARTICLE REPELS THE LEADING ARTICLE TO PERMIT IT TO BE DISPENSED FROM THE TRACKWAY.
References Cited (Backward Citations)
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Cited
US2471002A
Cited
US2616696A
Cited
US2795340A
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US2823781A
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US3200931A
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US3184655A
Cited
US3253735A
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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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |