US2646594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion apparatus and method
Assignee: Flakice Corp
•
Filing: 1948-12-31
•
Granted: 1953-07-28
•
Expires: 1968-12-31
Abstract
No abstract record available.
Inventors
- 👤 Field Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:16
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/28; A23G9/281; A23G9/285
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US729149A
Cited
US1252821A
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US1700208A
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US1816572A
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US1804283A
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US2245608A
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US2303664A
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US2336114A
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US2425237A
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US2451986A
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US2405272A
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US2457088A
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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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |