US2603170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion mill
Assignee: Individual
•
Filing: 1945-11-14
•
Granted: 1952-07-15
•
Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Edgar N Meakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B30B11/227; B30B11/20; B30B11/201; Y; Y10; Y10S; Y10S425/00; Y10S425/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2015857A
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US1432919A
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US1915528A
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US2174141A
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US2252900A
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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) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |