Patent US3047128A successfully refreshed from Google Patents.
US3047128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pusher-type conveyor
Assignee: SEREW CONVEYOR Corp
•
Filing: 1959-10-28
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Granted: 1962-07-31
•
Expires: 1979-10-28
Abstract
No abstract record available.
Inventors
- 👤 Edward P Escher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:18
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US811190A
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US795166A
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US1149647A
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US1197345A
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US1744933A
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US1922972A
Cited
US2382619A
Cited
US2403324A
Cited
US2459770A
Cited
GB700924A
Cited
US2769525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |