Patent US3352406A successfully refreshed from Google Patents.
US3352406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt take-up and storage unit for extensible belt conveyors
Assignee: Marmon Herrington Co
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Filing: 1964-03-04
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Granted: 1967-11-14
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 John B Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:54
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/10; B65G21/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A UNIT FOR STORING AND PAYING OUT OUT CONVEYOR BELT TO PERMIT VARIATIONS IN SPACING BETWEEN TWO BELT TERMINAL POINTS INCLUDING MEANS FOR SUPPORTING A PLURALITY OF VERTICALLY SPACED BELT RUNS WITH THE UPPERMOST RUN THEREOF SHORTER THAN ANY OTHER RUN THEREOF AND EACH SUCCEEDING RUN BELOW THE UPPERMOST RUN THEREOF LONGER THANTHE NEXT PRECEDING RUN THEREABOVE.
Claim 2
Dependent Claim
57 words
A UNIT FOR STORING AND PAYING OUT OUT CONVEYOR BELT TO PERMIT VARIATIONS IN SPACING BETWEEN TWO BELT TERMINAL POINTS INCLUDING MEANS FOR SUPPORTING A PLURALITY OF VERTICALLY SPACED BELT RUNS WITH THE UPPERMOST RUN THEREOF SHORTER THAN ANY OTHER RUN THEREOF AND EACH SUCCEEDING RUN BELOW THE UPPERMOST RUN THEREOF LONGER THANTHE NEXT PRECEDING RUN THEREABOVE.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |