US3605993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roller chain conveyor accumulator
Assignee: ROCKWELL GRAPHIC SYSTEMS Inc 3100 SOUTH CENTRAL AVENUE CHICAGO IL 60650 A CORP OF
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Filing: 1970-03-09
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Granted: 1971-09-20
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Expires: 1990-03-09
Abstract
Abstract THIS INVENTION RELATES TO AN ACCUMULATOR SECTION FOR A ROLLER CHAIN CONVEYOR RUN WHEREIN THE CONNECTING LINKS PIVOTALLY INTERCONNECTING ADJACENT ROLLERS OF THE CHAIN FOR ROTATIONAL MOVEMENT ARE SUPPORTED ON BOTH SIDES BY A SERIES OF STATIONARY IDLER ROLLERS THAT PERMIT THE CHAIN ROLERS TO TURN FREELY IN EITHER DIRECTION THEREBETWEEN.
Inventors
- 👤 Carl C De Rozario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:54
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |