Patent US3209892A successfully refreshed from Google Patents.
US3209892A
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Means and method for classifying and piling sheets
Assignee: Wean Engineering Co Inc
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Filing: 1962-09-24
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Granted: 1965-10-05
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 Walter O Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:46
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/52; B65G47/64; B65G47/644; B65G47/645; B65G47/646; B65G2201/00; B65G2201/02; B65G2201/0214; B65G2201/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A SHEET CLASSIFIER, A SHEET CATCHING CONVEYOR HAVING ENDLESS BELTS TRAVELING OVER TAIL PULLEY MEANS TOWARD HEAD PULLEY MEANS, A PLURALITY OF MAGNETS POSITIONED BENEATH THE BELTS AND SPACED LATERALLY ACROSS THE CONVEYOR ADJACENT THE TAIL PULLEY MEANS, A SECOND PLURALITY OF MAGNETS POSITIONED BENEATH THE BELT AND SPACED AWAY FROM THE TAIL PULLEY TOWARD THE HEAD PULLEY MEANS, AND MEANS TO VARY THE PULLING STRENGTH OF SOME OF SAID MAGNETS SIMULTANEOUSLY WITH VARIATION IN SPEED OF THE CONVEYOR.
Claim 2
Dependent Claim
80 words
IN A SHEET CLASSIFIER, A SHEET CATCHING CONVEYOR HAVING ENDLESS BELTS TRAVELING OVER TAIL PULLEY MEANS TOWARD HEAD PULLEY MEANS, A PLURALITY OF MAGNETS POSITIONED BENEATH THE BELTS AND SPACED LATERALLY ACROSS THE CONVEYOR ADJACENT THE TAIL PULLEY MEANS, A SECOND PLURALITY OF MAGNETS POSITIONED BENEATH THE BELT AND SPACED AWAY FROM THE TAIL PULLEY TOWARD THE HEAD PULLEY MEANS, AND MEANS TO VARY THE PULLING STRENGTH OF SOME OF SAID MAGNETS SIMULTANEOUSLY WITH VARIATION IN SPEED OF THE CONVEYOR.
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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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |