US3221866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination conveyer system
Assignee: Allis Chalmers Corp
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Filing: 1964-10-22
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Granted: 1965-12-07
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Expires: 1984-10-22
Abstract
No abstract record available.
Inventors
- 👤 Nash Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
B; B61; B61B; B61B10/00; B61B10/02; B61B10/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A CONVEYER SYSTEM THE COMBINATION COMPRISING: A TRACK, A TROLLEY SUPPORTED ON AND GUIDED BY SAID TRACK FOR MOVEMENT THEREALONG, AN ENDLESS CHAIN CONVEYER HAVING A SECTION DISPOSED DIRECTLY BELOW AND PARALLEL TO SAID TRACK INCLUDING GUIDE MEANS AND AN ENDLESS CHAIN SUPPORTED ON AND GUIDED BY SAID GUIDE MEANS INCLUDING A PLURALITY OF DEPENDING SUPPORT ELEMENTS SPACED THEREALONG ADAPTED TO SUPPORT REALTIVELY LIGHT WEIGHT ARTICLES RELEASABLY CONNECTED THERETO, AND A PLURALITY OF DEPENDING TROLLEY DRIVING MEMBERS SPACED THEREALONG, AND A HANGER CONNECTED IN DEPENDING RELATION TO SAID TROLLEY HAVING A LOWER END PORTION BENEATH SAID ENDLESS CHAIN CONVEYER ADAPTED TO SUPPORT RELATIVELY HEAVY ARTICLES AND A DRAFT PORTION SELECTIVELY HEAVY ENGAGEABLE IN DRAFT RELATION WITH SAID TROLLEY DRIVING MEMBERS.
Claim 2
Dependent Claim
121 words
IN A CONVEYER SYSTEM THE COMBINATION COMPRISING: A TRACK, A TROLLEY SUPPORTED ON AND GUIDED BY SAID TRACK FOR MOVEMENT THEREALONG, AN ENDLESS CHAIN CONVEYER HAVING A SECTION DISPOSED DIRECTLY BELOW AND PARALLEL TO SAID TRACK INCLUDING GUIDE MEANS AND AN ENDLESS CHAIN SUPPORTED ON AND GUIDED BY SAID GUIDE MEANS INCLUDING A PLURALITY OF DEPENDING SUPPORT ELEMENTS SPACED THEREALONG ADAPTED TO SUPPORT REALTIVELY LIGHT WEIGHT ARTICLES RELEASABLY CONNECTED THERETO, AND A PLURALITY OF DEPENDING TROLLEY DRIVING MEMBERS SPACED THEREALONG, AND A HANGER CONNECTED IN DEPENDING RELATION TO SAID TROLLEY HAVING A LOWER END PORTION BENEATH SAID ENDLESS CHAIN CONVEYER ADAPTED TO SUPPORT RELATIVELY HEAVY ARTICLES AND A DRAFT PORTION SELECTIVELY HEAVY ENGAGEABLE IN DRAFT RELATION WITH SAID TROLLEY DRIVING MEMBERS.
References Cited (Backward Citations)
US2816643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |