Patent US3256973A successfully refreshed from Google Patents.
US3256973A
Expired / Lapsed
US
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Flight conveyor
Assignee: Goodman Manufacturing Co LP
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Filing: 1964-02-25
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Granted: 1966-06-21
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Expires: 1984-02-25
Abstract
No abstract record available.
Inventors
- 👤 Gonski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:37
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A CONVEYOR; AN ELONGATED TROUGH HAVING A BOTTOM AND A PAIR OF SIDEWALLS, THE SPACING BETWEEN SAID SIDEWALLS VARYING ALONG THE LENGTH OF SAID TROUGH TO PROVIDE A RELATIVELY WIDER LOADING STATION ADJACENT A RELATIVELY NARROWER CONVEYING CHANNEL; AN ENDLESS ORBITALLY MOVABLE CHAIN ADAPTED TO MOVE ALONG THE LENGTH OF SAID TROUGH BETWEEN SAID SIDEWALLS; A PLURALITY OF FLIGHTS EXTENDING FROM OPPOSITE SIDES OF SAID CHAIN TOWARD RESPECTIVE OF SAID SIDEWALLS; MOVABLE EXTENSION MEMBERS EMBRACING RESPECTIVE OF SAID FLIGHTS FOR SLIDING MOVEMENT TOWARD AND FROM SAID SIDEWALLS; AND MEANS URGING SAID EXTENSION MEMBERS TOWARD SAID SIDEWALLS TO PROVIDE A SWEEP EXTENDING ACROSS THE WIDTH OF SAID TROUGH AT ANY POSITION ALONG THE LENGTH THEREOF.
Claim 2
Dependent Claim
115 words
IN A CONVEYOR; AN ELONGATED TROUGH HAVING A BOTTOM AND A PAIR OF SIDEWALLS, THE SPACING BETWEEN SAID SIDEWALLS VARYING ALONG THE LENGTH OF SAID TROUGH TO PROVIDE A RELATIVELY WIDER LOADING STATION ADJACENT A RELATIVELY NARROWER CONVEYING CHANNEL; AN ENDLESS ORBITALLY MOVABLE CHAIN ADAPTED TO MOVE ALONG THE LENGTH OF SAID TROUGH BETWEEN SAID SIDEWALLS; A PLURALITY OF FLIGHTS EXTENDING FROM OPPOSITE SIDES OF SAID CHAIN TOWARD RESPECTIVE OF SAID SIDEWALLS; MOVABLE EXTENSION MEMBERS EMBRACING RESPECTIVE OF SAID FLIGHTS FOR SLIDING MOVEMENT TOWARD AND FROM SAID SIDEWALLS; AND MEANS URGING SAID EXTENSION MEMBERS TOWARD SAID SIDEWALLS TO PROVIDE A SWEEP EXTENDING ACROSS THE WIDTH OF SAID TROUGH AT ANY POSITION ALONG THE LENGTH THEREOF.
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |