US2816647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article timing and spacing conveyor
Assignee: FMC Corp
•
Filing: 1953-02-09
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Granted: 1957-12-17
•
Expires: 1973-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harold M Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:56
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/22; B65G47/26; B65G47/28; B65G47/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US137224A
Cited
US1319190A
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US814943A
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US2403673A
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US2405947A
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US2627966A
Cited
US2528868A
Cited
US2714440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |