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US2466882A
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Assignee: BERYL G ECHLIN
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Filing: 1945-03-27
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Granted: 1949-04-12
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Expires: 1965-03-27
Abstract
No abstract record available.
Inventors
- 👤 John E Echlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:47
CPC Classifications
A; A47; A47B; A47B57/00; A47B57/04; A47F; A47F5/00; A47F5/0018; A47F5/0025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US898970A
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US910473A
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FR421205A
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US1084034A
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US1024922A
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US1227703A
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US1711329A
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US1748339A
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US2346200A
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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) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |