Patent US4990885A successfully refreshed from Google Patents.
US3211279A
Expired / Lapsed
US
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Conveyor system
Assignee: Motors Liquidation Co
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Filing: 1962-08-03
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Granted: 1965-10-12
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 Robert F Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:38
CPC Classifications
B; B65; B65G; B65G35/00; B65G21/00; B65G21/20; B65G21/2045; B65G21/2063; B65G21/209; B65G23/00; B65G23/02; B65G23/14; B65G2812/00; B65G2812/02; B65G2812/0299
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A CONVEYOR SYSTEM COMPRISING, IN COMBINATION, GUIDING MEANS DEFINING A PREDETERMINED PATH OF TRAVEL AND INCLUDING CURVED GUIDING PORTION,S MOVABLE MEANS GUIDED BY SAID GUIDING MEANS, THIN FLAT FLEXIBLE DRIVE BELT MEANS MEANS CONNECTING AN EDGE PORTION OF SAID BELT MEANS TO SAID GUIDED MEANS TO TRANSMIT DRIVING FORCES FROM SAID BELT MEANS TO SAID GUIDED MEANS, AND DRIVING MEANS FOR COMPRESSIVELY GRIPPING SAID BELT MEANS AND APPLYING DRIVING FORCES THERETO TO DRIVE SAID GUIDED MEANS, SAID BELT MEAN BEING ADAPTED TO FLEX AND CURVED WITH SAID GUIDED MEANS IN SAID CURVED GUIDING PORTIONS, SAID DRIVING MEANS BEING ADAPTED TO COMPRESSIVELY GRIP AND DRIVE SAID BELT
Claim 2
Dependent Claim
106 words
A CONVEYOR SYSTEM COMPRISING, IN COMBINATION, GUIDING MEANS DEFINING A PREDETERMINED PATH OF TRAVEL AND INCLUDING CURVED GUIDING PORTION,S MOVABLE MEANS GUIDED BY SAID GUIDING MEANS, THIN FLAT FLEXIBLE DRIVE BELT MEANS MEANS CONNECTING AN EDGE PORTION OF SAID BELT MEANS TO SAID GUIDED MEANS TO TRANSMIT DRIVING FORCES FROM SAID BELT MEANS TO SAID GUIDED MEANS, AND DRIVING MEANS FOR COMPRESSIVELY GRIPPING SAID BELT MEANS AND APPLYING DRIVING FORCES THERETO TO DRIVE SAID GUIDED MEANS, SAID BELT MEAN BEING ADAPTED TO FLEX AND CURVED WITH SAID GUIDED MEANS IN SAID CURVED GUIDING PORTIONS, SAID DRIVING MEANS BEING ADAPTED TO COMPRESSIVELY GRIP AND DRIVE SAID BELT
References Cited (Backward Citations)
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |