US2656988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal milling and insect destroying machine with rotary impeller and annular target
Assignee: Individual
•
Filing: 1948-11-09
•
Granted: 1953-10-27
•
Expires: 1968-11-09
Abstract
No abstract record available.
Inventors
- 👤 Franklin S Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:42
CPC Classifications
B; B02; B02C; B02C13/00; B02C13/14; B02C13/18; B02C13/1807; B02C13/1835
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US291191A
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US1108542A
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US1598702A
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GB263660A
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GB309854A
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US1854659A
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FR850356A
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US2344611A
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US2339735A
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US2464212A
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US2421014A
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US2582509A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |