US2486477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube mill
Assignee: Individual
•
Filing: 1945-06-20
•
Granted: 1949-11-01
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Kennedy Joseph Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:54
CPC Classifications
B; B02; B02C; B02C17/00; B02C17/18; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19991; Y10T74/19995
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1449169A
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US1520537A
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US1554081A
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US1594836A
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US1589740A
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US1809902A
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US1832320A
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US1878729A
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GB385374A
Cited
US2189312A
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US2134903A
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US2218580A
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US2398989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-31 | 1953-05-02 | 1953-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-31 | 1957-05-02 | 1957-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-31 | 1961-05-02 | 1961-11-01 | $7700.00 | Window Closed / Lapsed |