Patent US2635561A successfully refreshed from Google Patents.
US2635561A
Expired / Lapsed
US
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Nozzle for extruding devices
Assignee: Individual
•
Filing: 1947-01-09
•
Granted: 1953-04-21
•
Expires: 1967-01-09
Abstract
No abstract record available.
Inventors
- 👤 Frank S Elsaesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:07
CPC Classifications
A; A22; A22C; A22C7/00; A21; A21C; A21C11/00; A21C11/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523116A
Cited
US902088A
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US918195A
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US1265854A
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US1444041A
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US1577336A
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US2026526A
Cited
US2090095A
Cited
US2209824A
Cited
US2291212A
Cited
US2217135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |