US2471356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mill for cutting feathers
Assignee: Individual
•
Filing: 1945-05-19
•
Granted: 1949-05-24
•
Expires: 1965-05-19
Abstract
No abstract record available.
Inventors
- 👤 Slick Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:22
CPC Classifications
B; B02; B02C; B02C18/00; B02C18/06; B02C18/14; B02C18/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US526043A
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US538654A
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US1201025A
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US1568520A
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US1620303A
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US1713094A
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US1826891A
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US1973169A
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US2171949A
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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) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |