US2652954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable pitch feeder
Assignee: BF Gump Co
•
Filing: 1948-10-05
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Granted: 1953-09-22
•
Expires: 1968-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Leon J Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
B; B65; B65G; B65G33/00; B65G2812/00; B65G2812/05; B65G2812/0505; B65G2812/0511; B65G2812/0516; B65G2812/0522
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351014A
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US882304A
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US887762A
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US958965A
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US1177792A
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US1589630A
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US2182680A
Cited
US2221176A
Cited
GB558768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |