Patent US3249208A successfully refreshed from Google Patents.
US3249208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyors
Assignee: J H SCHMITZ SOHNE GmbH
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Filing: 1964-06-23
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Granted: 1966-05-03
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Expires: 1984-06-23
Abstract
No abstract record available.
Inventors
- 👤 Richard T Carradus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:55
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/10; B65G2201/00; B65G2201/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A CONTINUOUS TROUGH CONVEYOR COMPRISING IN COMBINATION A TRANSMISSION CHAIN COMPOSED OF CHAIN ELEMENTS AND HINGE PINS CONNECTING THE SAME; A PLURALITY OF PANS, EACH ATTACHED TO ONE CHAIN ELEMENT AND HAVING AN OPEN TOP BOTTOM SUBSTANTIALLY CYLINDRICALLY CURVED ABOUT AN AXIS EXTENDING IN THE LONGITUDINAL DIRECTION OF THE CHAIN; AT LEAST THE TRAILING REAR PORTION OF EACH PAN LOCATED ABOVE ONE HINGE BEING TRANSVERSELY ARCHED ABOUT THE AXIS OF SAID HINGE PIN AND EACH SUCH TRAILING REAR PORTION OVERLAPPING THE LEADING FORWARD PORTION OF THE NEXT FOLLOWING PAN LOCATED ABOVE THE SAME HINGE PIN TO ENSURE AN ARTICULATED CONTACT OF NEIGHBORING PANS.
Claim 2
Dependent Claim
103 words
A CONTINUOUS TROUGH CONVEYOR COMPRISING IN COMBINATION A TRANSMISSION CHAIN COMPOSED OF CHAIN ELEMENTS AND HINGE PINS CONNECTING THE SAME; A PLURALITY OF PANS, EACH ATTACHED TO ONE CHAIN ELEMENT AND HAVING AN OPEN TOP BOTTOM SUBSTANTIALLY CYLINDRICALLY CURVED ABOUT AN AXIS EXTENDING IN THE LONGITUDINAL DIRECTION OF THE CHAIN; AT LEAST THE TRAILING REAR PORTION OF EACH PAN LOCATED ABOVE ONE HINGE BEING TRANSVERSELY ARCHED ABOUT THE AXIS OF SAID HINGE PIN AND EACH SUCH TRAILING REAR PORTION OVERLAPPING THE LEADING FORWARD PORTION OF THE NEXT FOLLOWING PAN LOCATED ABOVE THE SAME HINGE PIN TO ENSURE AN ARTICULATED CONTACT OF NEIGHBORING PANS.
References Cited (Backward Citations)
BE527052A
Cited
US2936063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |