US3500565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor system having plural unloading stations
Assignee: Barber Greene Co
•
Filing: 1967-11-06
•
Granted: 1970-03-17
•
Expires: 1987-11-06
Abstract
No abstract record available.
Inventors
- 👤 Fred T Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:58
CPC Classifications
B; B65; B65G; B65G65/00; B65G65/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2785683A
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US923064A
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US885343A
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US1360212A
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US2615586A
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US2762490A
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US3020656A
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US3018874A
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US3182784A
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US3195251A
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US3390473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |