Patent US3209899A successfully refreshed from Google Patents.
US3209899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor
Assignee: US Borax Inc
•
Filing: 1963-05-08
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Granted: 1965-10-05
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Expires: 1983-05-08
Abstract
No abstract record available.
Inventors
- 👤 Charles L Friedmann
- 👤 Louis G Nannini
- 👤 George B Menden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:51
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/14; B65G19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
AN ENDLESS CHAIN CONVEYOR FOR MOVING PARTICULATE MATERIAL, COMPRISING IN COMBINATION A CASING HAVING SEPARATED MATERIAL DELIVERY AND CHAIN RETURN SECTIONS WITH TOP AND BOTTOM PORTIONS CONNECTING SAID DELIVERY AND RETURN SECTION, A CHARGE OPENING IN SAID BOTTOM PORTION FOR RECEIVING THE PARTICULATE MATERIAL, A DISCHARGE CHUTE WITH DISCHARGE OPENING IN SAID TOP PORTION, AN ENDLESS CONVEYING ELEMENT MOUNTED IN SAID CASING PROVIDED WITH A PLURALITY OF SPACED TRANSVERSE FLIGHTS TRAVERSABLE THROUGH SAID CASING TO EFFECT THE MOVEMENT OF SAID PARTICULATE MATERIAL THERETHROUGH, DRIVE MEANS MOUNTED ON SAID CASING FOR MOVING SAID ENDLESS CONVEYING ELEMENT, MEANS IN SAID TOP PORTION FOR ADMITTING AIR TO SAID CASING ADJACENT SAID DISCHARGE OPENING WHEREBY AIR IS COMMUNICATED TO SAID CHAIN BEFORE SAID CHAIN TURNS INTO THE RETURN SECTION OF THE CASING; AND MEANS MOUNTED ON SAID CASING FOR DIRECTING A STREAM OR AIR INTO SAID CASING THROUGH SAID AIR ADMITTING MEANS.
Claim 2
Dependent Claim
148 words
AN ENDLESS CHAIN CONVEYOR FOR MOVING PARTICULATE MATERIAL, COMPRISING IN COMBINATION A CASING HAVING SEPARATED MATERIAL DELIVERY AND CHAIN RETURN SECTIONS WITH TOP AND BOTTOM PORTIONS CONNECTING SAID DELIVERY AND RETURN SECTION, A CHARGE OPENING IN SAID BOTTOM PORTION FOR RECEIVING THE PARTICULATE MATERIAL, A DISCHARGE CHUTE WITH DISCHARGE OPENING IN SAID TOP PORTION, AN ENDLESS CONVEYING ELEMENT MOUNTED IN SAID CASING PROVIDED WITH A PLURALITY OF SPACED TRANSVERSE FLIGHTS TRAVERSABLE THROUGH SAID CASING TO EFFECT THE MOVEMENT OF SAID PARTICULATE MATERIAL THERETHROUGH, DRIVE MEANS MOUNTED ON SAID CASING FOR MOVING SAID ENDLESS CONVEYING ELEMENT, MEANS IN SAID TOP PORTION FOR ADMITTING AIR TO SAID CASING ADJACENT SAID DISCHARGE OPENING WHEREBY AIR IS COMMUNICATED TO SAID CHAIN BEFORE SAID CHAIN TURNS INTO THE RETURN SECTION OF THE CASING; AND MEANS MOUNTED ON SAID CASING FOR DIRECTING A STREAM OR AIR INTO SAID CASING THROUGH SAID AIR ADMITTING MEANS.
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) | 1968-10-04 | 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 |