Patent US3996745A successfully refreshed from Google Patents.
Patent US3197020A successfully refreshed from Google Patents.
US3197020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Ajem Laboratories Inc
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Filing: 1962-04-16
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Granted: 1965-07-27
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Expires: 1982-04-16
Abstract
No abstract record available.
Inventors
- 👤 Dewey M Evans
- 👤 Kosar Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:20
CPC Classifications
B; B65; B65G; B65G17/00; B65G17/06; B65G17/063; B65G2201/00; B65G2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
AN ENDLESS CONVEYOR OF THE TYPE HAVING A SUCCESSION OF PIVOTALLY CONNECTED LINKS MOVABLE IN A CONTINUOUS PATH IN TRACKS WITH BOTTOM AND OPPOSED SIDE PLATES, THE COMBINATION IN SUCH A CONVEYOR OF PINS EXTENDING THROUGH THE ENDS OF ADJACENT LINKS TO PIVOTALLY CONNECT THE LINKS, ALTERNATE LINKS HAVING LOWER AND UPPER ROLLERS MOUNTED THEREON TO ROTATE AN AXES EXTENDING LATERALLY OF THE LINKS, THE LOWER ROLLERS PROJECTING BELOW THE LINKS AND ADAPTED TO ROLL ALONG THR BOTTOM OF THE TRACKS, THE UPPER ROLLERS PROJECTING UPWARDLY ABOVE THE LINKS TO SUPPORT ARTICLES TO BE CONVEYED, AND SAID ALTERNATE LINKS HAVING BOSSES PROJECING OUTWARDLY BEYOND THE ENDS OF THE PINS TO PROVIDE BEARING SURFACES EXTENDING LONGITUDINALLY OF THE LINKS FOR SLIDING ENGAGEMENT WITH THE SIDE PLATES OF THE TRACK.
Claim 2
Dependent Claim
128 words
AN ENDLESS CONVEYOR OF THE TYPE HAVING A SUCCESSION OF PIVOTALLY CONNECTED LINKS MOVABLE IN A CONTINUOUS PATH IN TRACKS WITH BOTTOM AND OPPOSED SIDE PLATES, THE COMBINATION IN SUCH A CONVEYOR OF PINS EXTENDING THROUGH THE ENDS OF ADJACENT LINKS TO PIVOTALLY CONNECT THE LINKS, ALTERNATE LINKS HAVING LOWER AND UPPER ROLLERS MOUNTED THEREON TO ROTATE AN AXES EXTENDING LATERALLY OF THE LINKS, THE LOWER ROLLERS PROJECTING BELOW THE LINKS AND ADAPTED TO ROLL ALONG THR BOTTOM OF THE TRACKS, THE UPPER ROLLERS PROJECTING UPWARDLY ABOVE THE LINKS TO SUPPORT ARTICLES TO BE CONVEYED, AND SAID ALTERNATE LINKS HAVING BOSSES PROJECING OUTWARDLY BEYOND THE ENDS OF THE PINS TO PROVIDE BEARING SURFACES EXTENDING LONGITUDINALLY OF THE LINKS FOR SLIDING ENGAGEMENT WITH THE SIDE PLATES OF THE TRACK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |