Patent US3605994A successfully refreshed from Google Patents.
US3605994A
Expired / Lapsed
US
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Unit frame assembly for endless belt or similar conveyor
Assignee: OI Glass Inc
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Filing: 1970-03-26
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Granted: 1971-09-20
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Expires: 1990-03-26
Abstract
Abstract D R A W I N G A UNIT FRAME ASSEMBLY IS CONSTRUCTED FROM ELONGATE EXTRUDED SHAPES ESPECIALLY DESIGNED TO ENABLE SIMPLE AND RAPID FABRICATION IN THE FIELD OF FRAMES FOR CONVEYORS OF THE ENDLESS BELT, ENDLESS CHAIN OR PLATE TYPE.
Inventors
- 👤 Carl L Parlette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:38
CPC Classifications
B; B65; B65G; B65G21/00; B65G21/02; B65G21/06
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 |