Patent US3216552A successfully refreshed from Google Patents.
US3216552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible conveyor
Assignee: Individual
•
Filing: 1964-02-10
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Granted: 1965-11-09
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Expires: 1984-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles H Lister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:47
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
AN EXTENSIBLE CONVEYOR, INCLUDING A PAIR OF RELATIVELY MOVABLE CONVEYOR ELEMENTS ADJUSTABLY INTER-RELATED TO VARY THE TOTAL EFFECTIVE SUPPORTING MEANS MOUNTED ON EACH CONVEYOR ELEMENT, SAID SUPPORTING MEANS MOUNTED ON EACH CONVEYOR ELEMENT, SAID SUPPORTING MEANS EACH COMPRISING A PLURALITY OF ROLLERS ARRANGED IN SPACED RELATION ALONG THEIR RESPECTIVE CONVEYOR ELEMENTS, SAID ROLLERS OF BOTH OF SAID ELEMENTS BEING NORMALLY DISPOSED IN A COMMON PLANE, AND A MOVABLE MOUNTING FOR EACH OF THE PLURALITY OF ROLLERS OF ONE OF SAID ELEMENTS PERMITTING THEIR MOVEMENT OVER THE ROLLERS OF THE OTHER OF SAID ELEMENTS AND INTO INTERSPACED RELATION IN A COMMON PLANE WITH SAID ROLLERS OF THE OTHER OF SAID ELEMENTS.
Claim 2
Dependent Claim
110 words
AN EXTENSIBLE CONVEYOR, INCLUDING A PAIR OF RELATIVELY MOVABLE CONVEYOR ELEMENTS ADJUSTABLY INTER-RELATED TO VARY THE TOTAL EFFECTIVE SUPPORTING MEANS MOUNTED ON EACH CONVEYOR ELEMENT, SAID SUPPORTING MEANS MOUNTED ON EACH CONVEYOR ELEMENT, SAID SUPPORTING MEANS EACH COMPRISING A PLURALITY OF ROLLERS ARRANGED IN SPACED RELATION ALONG THEIR RESPECTIVE CONVEYOR ELEMENTS, SAID ROLLERS OF BOTH OF SAID ELEMENTS BEING NORMALLY DISPOSED IN A COMMON PLANE, AND A MOVABLE MOUNTING FOR EACH OF THE PLURALITY OF ROLLERS OF ONE OF SAID ELEMENTS PERMITTING THEIR MOVEMENT OVER THE ROLLERS OF THE OTHER OF SAID ELEMENTS AND INTO INTERSPACED RELATION IN A COMMON PLANE WITH SAID ROLLERS OF THE OTHER OF SAID ELEMENTS.
References Cited (Backward Citations)
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Cited
US2678125A
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US2760617A
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US2826290A
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US2919013A
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US3029745A
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US3127978A
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |