US3366277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic handling system for particulate material
Assignee: NEWAYGO ENGINEERING Co
•
Filing: 1966-06-17
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Granted: 1968-01-30
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Edgar A Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:08
CPC Classifications
B; B65; B65G; B65G53/00; B65G53/04; B65G53/16; B65G2812/00; B65G2812/16; B65G2812/1608; B65G2812/1641
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US780330A
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US1216146A
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US1686713A
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US2652175A
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US2722372A
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US3099965A
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US3121593A
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US3115279A
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US3189061A
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US3278451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |